Understanding how little we know is crucial to gaining knowledge.

The older the friendship, the stronger the trust.

Superficial people consider themselves capable of doing everything. The question, however, is who is willing to hire them?

There will come a time when people will realize the greatest mysteries of the universe: will a human then meet anything other than himself?

In the frame of a known phenomenon of life, a human could be defined as the only proven thinking creature.

Do not look for company at all costs, and especially do not allow loneliness to lead you to fickle love or false friendship.

Acquiring knowledge through the centuries has influenced human society more than all other factors.

The development of civilization was marked by constant changes. This will continue – therefore, the future will belong to people ready for change.

Only a person who is motivated in the inner depths of his being will help without hesitation and with no obligation for the one helped.

Be patient in life, knowing that there is a real possibility that the desired outcome could happen without your direct involvement.

In reality, there is no such thing as absolute freedom. The rules of social interaction determine one's freedom.

A free man does not do what must be done, but what should be done.

We should enjoy every minute we live today because who knows if we will have a chance to do so tomorrow.

The people who overcome their fears are the ones who can achieve their dreams.

True friendship doesn't include jealousy.

A friend is a person who always understands your preoccupations, even when other people do not perceive them at all.

A lie distorts the image of reality. It is a delusion of the human mind which can disrupt an individual's sense of what is morally right or wrong.

A good man shares his knowledge selflessly with everyone.

Never lie. Firstly, you will be caught in the lie sooner or later. Secondly, count on problems when repairing the consequences of the lie. Therefore, always tell the truth no matter how unpleasant it is.

Success and failure are relative categories. Therefore, do not exult in victory and do not despair after defeat. Accept the changes in life placidly, knowing that autumn and winter come after summer.

Every fool has an idea how to change the world. Wise people think about how to improve the world around them.

Criticism addressed to a person can only be of benefit if it was said in the right way and at the right time.

It can be accepted that there is a price for man's work, time spent or service done, but never for human dignity.

We should always respect our teachers, because transforming children into knowledge-oriented young people is a precious and extremely difficult job.

Telling the truth is less demanding than telling a lie.

The best advice will come from the person who has no personal interest in the matter.

Kids, no matter how big your problems are – ask your parents for help and advice.

When choosing a profession, a person will have good incentive for personal development by choosing such a profession that represents a personal challenge.

Use two-way communication on oral exams to check the students' knowledge, not their attitudes. Checking attitudes can lead to the slippery area of subjective assessment.

In general, people accumulate knowledge gradually over a long period of time. However, there are extraordinary people all around us, who are capable of accumulating impressive amounts of knowledge within a relatively short period of time. Nevertheless, even the greatest genius possesses only a small fraction of all knowledge known by mankind. Finally, the following question arises: how large is all the existing knowledge in comparison to the space of ignorance?

There is a huge difference between thinking we know something and actually knowing something.

Openness to change is key to implementing new knowledge. That is why one who is indifferent to change is not a friend of knowledge.

In general, sharing and using things decreases their value. However, knowledge increases by implementation and especially by sharing among people.

I've tried to solve problems to the best of my knowledge. Many times I was successful, but sometimes I also failed. And now I finally understand – that's life.

A wise man is humble, knowing he actually doesn't know much.

Each type of knowledge has value; however, from an engineering point of view, practical knowledge seems to be more valuable than theoretical knowledge.

Knowledge can be acquired by education, reading, communicating and observing, but also simply by living.

Acquiring knowledge is the most fruitful effort.

Superficial knowledge is potentially more dangerous than ignorance. It gives a false sense of security encouraging an ignorant man to persevere in his efforts that can result in huge damage.

If you cannot solve a problem, ask someone who knows.

Those who have no knowledge are often willing to occupy influential positions with the aim of acquiring every possible benefit.

Don't be afraid to study hard: knowledge never exhausts the mind.

Only knowledge and truth may result in freedom of mind.

A deep consideration of the essence of knowledge should reveal how knowledge corresponds to the truth.

A man's vanity often goes hand in hand with his lack of knowledge.

The dynamic nature of knowledge is reflected in human progress and technological achievements.

A person with great knowledge is truly wealthy.

It is much more challenging to accept those who know a lot than those who know little.

Knowledge is a unique kind of property, indeed: you can share it with others, while still possessing it.

A person with a big ego usually knows very little.

Acquiring new knowledge has been crucial for survival over the millennia.

Knowledge is the key to the development of civilization.

Knowledge is an exceptional kind of property which cannot be lost or used up.

A man of knowledge can certainly offer some reasonable options to solve a problem – the question is why such a man is not always included in problem solving

It is certain that there is no limit to the vast ocean of knowledge.

Knowledge is the key driver of the progress of civilization.

Regardless of one’s age, acquiring new knowledge has always been useful.

Knowledge as such can never be worthless.

Two things influence one's wisdom: remarkable experience and – evenmuch more – accumulated knowledge.

Knowledge is the most beautiful manifestation of the human mind.

Adding your own piece of knowledge to the vast knowledge of the humanrace could be a sufficient reason for having existed.

There is a fascinating entanglement of science and knowledge, which is expressed as scientific knowledge.

The next presumption is always valid: one's knowledge corresponds toone's intellectual capacity.

Intellectual capacity is a precondition for becoming a man of knowledge.

There are three characteristics of wisdom: knowledge, experience and patience.

Knowledge is a beautiful thing that can fill us with happiness. Let’s just think about our students who answered brilliantly to questions on various exams.

Knowledge has a great power. Therefore, unethical use of knowledge can be extremely harmful.

Creativity is an amazing human characteristic, which is more connected with curiosity than with knowledge.

In reality, there is no highway to success. Therefore, be prepared for difficulties.

Success is mainly the result of hard work.

Life is the greatest teacher because it educates even those who really hate to learn.

It is equally important to learn from experience and from books.

Wherever you work, work hard and educate yourself continuously. You must never forget social welfare, ethics and honesty. However, there is no guarantee for your career progression. Therefore, don't expect that only the best people will be promoted.

I've had several work addiction cycles in my life. Those were situations when important tasks were assigned to me. I took into account that people should remember me based on what I did rather than based on what I failed to do.

It is impossible to avoid failures in life. Don't be afraid of them. Consider rather how to learn from your own failures.

Some old and unrealized ideas will undoubtedly be actualized when their time comes.

In my opinion, the author-level metric can distort a real author's citation impact. For example, an author who has an h-index = 2 obtained on the basis of two published papers of which each is cited twenty times is more influential than an author who has an h-index = 3 obtained on the basis of three published papers of which each is cited three times.

Many books describe different problem solving techniques, but solving complicated problems in reality is not so easy.

Motivating employees to work at their full potential is the main premise of successful management.

Managers can use power, money or certain circumstances to achieve short-term results. However, motivation is crucial for achieving long-term results.

You asked about important factors in management. I think the answer is quite simple – the most important factor is motivation.

A person who is too proud in love will suffer from the devastating bitterness in the end.

Being blinded in love and friendship is a common mistake.

To observe life as an inevitability and to observe the nuanced stratification of life are two completely different points of view on life.

Older people sometimes talk about the good old days when life was better. In fact, they talk nostalgically about their own youth that was irretrievably gone. The past century has made enormous progress in all fields. The standard of living, work environment, health care quality and mobility, and the availability of cultural programs, recreational activities and information – all that clearly speaks in favor of nowadays.

Empathize with others. You may easily get into a situation where you need the understanding of others.

The essence of coexistence is quite simple: live and respect how others live.

The wishes of an honest man do not stretch beyond what he undoubtedly deserves.

Human nature is so complicated. Those who have little, want a lot. Those who have a lot, think others have more. Those who lose, blame others for the loss.

A wise man doesn't start what he doesn't know to do.

Concerning mistakes, follow three simple rules. Firstly, correct a mistake that you made whenever it is possible. Secondly, don't repeat the same mistakes. Thirdly, learn from past mistakes.

Do you want to resolve a conflict successfully? Don't wait, start a conversation.

A happy man doesn't reconsider life.

Sometimes people think the old days were better than today. Even though life was simpler and slower, it was not necessarily easier.

In real life, the truth is a rarity, while lies are common place.

Unfortunately, people who always tell the truth don't have many friends.

People should respect those who have the courage to go alone through life.

Living a short life as a proud person is more worthwhile than living a whole century as a chameleon.

Living honestly is a prerequisite for a clear conscience.

Open mind → Learning → Knowledge → Baseline for leadership

If your endeavors result in success of the company in a continuity of atleast a few years, you are a successful manager. If other companies followyour business approach, you are certainly an important manager withleader characteristics.

A leader is a person who knows how to act when other people don’t.

If you are born to lead, be a leader!

It is not acceptable that election winners interpret history. History should be left to historians who have a difficult task. They should try to avoid a one-sided or personal interpretation of history. Furthermore, some collective factors (such as national enthusiasm) may influence objectivity that is crucial for the interpretation of historical events.

It is absolutely certain that we must act to protect nature much more efficiently than ever before. Tomorrow – when mankind will step forward to a totally uncertain future – will be too late.

People can enjoy music everywhere. Therefore, music is more than a giftbecause it represents a unique form of human freedom.

Regarding quality, the following rule is very important: do each activity right at the first time with the aim of saving money and time. Regardless of the process under consideration, the activities that were carried out badly may cause repetitions with considerable additional costs.

Refusing dominance over others by using money is a clear sign of wisdom.

It seems quite pointless to waste health relentlessly in order to earn money that we shall spend on recovering health.

Tell us which ideas you promote and we will know which type of person you are.

Solving a complicated problem can be frustrating. You can have good problem solving skills, but sometimes a problem seems like it has no solution. Nevertheless, never give up.

Good managers don't set a goal to increase efficiency, but rather an implementation of business process improvements that result in higher efficiency as well.

An idea occurs in the mind, where it is confined and useless. An idea lives when it leaves the mind.

Inside the human mind, an idea is a mental spark that occurs as a response to the challenge of a train of thought.

An unsolved problem bothers one's mind, just as a small stone in the shoe,until an idea for solving the problem comes to mind.

The age of ex cathedra culture in education is definitely finished. Thesedays, we use modern teaching methods in line with advances in technologythat changes culture and even society itself. However, the biggest challenge for a modern education system is how to prepare new generations for living in a highly competitive world full of uncertainties.

An ideal world inhabited by carefree people is nothing more than a utopia.

In reality, commissions rarely solve complicated problems. Therefore, the following question arises: what is worse – to establish a commission knowing it cannot solve a complicated problem, or to believe that the commission will truly solve such a problem?

Observing is the basis of wisdom.

Each child is a unique person, so raise your child taking this fact intoconsideration.

There is no better way to influence children than being their role model.

Love and advise your children unconditionally.

If one is not prepared to fail, there is no way to achieve success inbusiness and life.

Success is relative, but happiness is absolute.

One should learn by considering one's own failures that are a part of life.

Learning continuously is the best way to build one's intellectual capacity.

One may sleep as long as one prefers, but one should know that each hour of excess sleep is an hour lost for learning.

Learn always and wherever possible, knowing that you'll never learneverything.

Nowadays, using a computer has become a way of life.

Ask your friends for help if you need it. Asking for help can be costly if you don't have friends.

You should be aware of fake friends because it is the hardest to be aware of.

I believe in a world in which science is the key for supporting thedevelopment of a happy future for humanity. So, I advocate for such asituation in which scientists would speak louder. If science is silent, there is no way to solve high priority problems at a global level, such as: the gap between developed and undeveloped countries, poverty, limited energy resources, limited food and even drinking water (especially related to the population growth phenomenon), global warming and rapid climatechanges, etc.

Nothing represents a man better than his ideas.

The power of positive thinking is vital for maintaining happiness, goodhealth and longevity.

Problems often become worse if incompetent people try to solve them.

A good thing in one's ignorance is that one doesn't know that s/hedoesn't know.

Adapting to changes represents an important characteristic of human nature, essential for the development of human society.

Always think about the needs of others because being a part of a group isan essential characteristic of human nature.

Most people take health at face value. Quite often people understand that health is the most valuable possession only after they become seriously ill.

Continuously feeling superior is a characteristic of immaturity.

Curiosity is crucial for innovation. We are all born curious, but only a small number of people remain curious for a lifetime.

In the morning, people have a plan for that day. Hardworking people think of what they will do during the day, and idle people on what they should do.

The key to successful social behaviour: be approachable and understand the needs of others.

There’s no reason to cry over spilled milk. People cannot change the things that have already happened.

The strictest judges are ignorant people.

Don't think you can act perfectly. A perfect person doesn't exist. Always strive to give your best effort, and that's it.

Time runs independently of us, and we cannot comprehend the flow of time. Time is a category in itself.

Teach your little ones about the rules of decent behaviour. When they grow up, it will be too late to learn.

A fairy-tale life exists only in fairy tales.

Inner peace comes from a clear conscience.

Open-mindedness is a precondition for generating new ideas, but focusing on the problem is almost equally important.

No matter where you live, live with dignity.

Being able to endure is sometimes the key to survival.

Being naturally happy is the most impressive sign of freedom.

When an idea for solving a problem suddenly presents itself, ask yourself if all circumstances related to the problem were properly analyzed.

Having an open mind is the most important precondition for creatingnew ideas.

If you have an idea, you will likely have difficulties during the process ofrealization regardless of the type of idea (scientific idea, invention idea,business idea, new product idea, brand idea, advertising idea, etc.).

When an influencing idea comes to life, people cannot exactly predict all its inevitable consequences.

Reading might be the root of ideas and inventions, even in the case of leisure reading.

Nothing is more important than a great idea that influenced thedevelopment of civilization.

An idea is an amazing creation of the human mind, which comes either asa result of one's continuous endeavors for solving a certain problem or justas a spark that lights up the considered problem.

There is no better way to improve yourself than an exchange of ideaswith peers.

The precondition for solving a problem is having a clear idea on how tosolve it.

It is much more worthwhile to implement only one bright idea than collecting a thousand of them.

Some people have a handful of ideas, but not enough time to realize them.

An idea is like a spark in the dark – it makes everything brighter.

Idealizing life is surely quite unrealistic, however, it is much better than living in constant despair.

Successful people know how to share their own dreams with other people.

Always educate yourself regardless of how old you are.

How to advise parents for being successful in raising children stillremains an important unsolved problem.

Our parents are always an important part of our inner life.

Intellectual capacity is the key to solving any complex problem.

Avoiding setting too strong rules is the best way not to have problems with your own rules.

Be extremely careful when using irony: bear in mind that irony might be an overture for sarcasm

Be extremely careful when using irony: bear in mind that irony might bean overture for sarcasm.

Curiosity lies in a hidden corner of the scientific mind.

Intellectual curiosity and the human brain are the root of science.

Only a man of knowledge is capable of giving constructive criticism.

Do not criticize others unless you are willing to accept criticism.

There are roads where people go, and where they should arrive is their mission.

Interestingly, people often boast that they are hard workers not understanding that hardworking means spending a lot of time and energy on work.

Be prepared to change yourself if you think there is a need to change your environment.

Thinking differently is the key to improvement.

An incompetent person in a responsible position may cause huge damage. Such a person should act less and think more.

Don't judge people too strongly.

Do not tend to hire only people who see what you see. Such a tendency may lead to a decline in operating profit, and even bankruptcy.

If you do not manage things, be prepared to face the consequences.

A wise manager knows that it is sometimes more important to listen than to talk.

You shouldn’t ask a question until you are sure you want to hear the answer.

For any question – regardless of its complexity – there is a clear andsimple answer.

A wise man does not give quick answers to complex questions – he observes, analyzes and contemplates.

Designing well-written tests still remains a challenging task. Some complex questions may lose clarity causing difficulties in providing meaningful answers. Basically, questions should be designed in such a way that each well-prepared student can easily give a correct answer.

Aiming to check a new test's difficulty, ask your assistants to solve the test prior to the actual exam. If the results are not satisfactory, reevaluate all ambiguous questions and correct them.

After all, choosing a profession is extremely challenging – it is likely thehardest thing one has to do in the period of reaching maturity.

Don't be too enthusiastic when choosing a profession – think of earningfor life too.

Ideas tell a lot about a person who generated them.

There is no greater achievement than being a grandfather who tells fairy tales to grandchildren.

A child’s best friend is often the one telling bedtime stories.

There is no such complicated situation which people could not make more complicated.

Life is not complex at all when we do not think about it.

The main proof that you actually do not exist is that nobody ever criticizes you.

Is there any difference between a happy and a lucky man? A happy is someone who finds an oasis with drinking water in a desert. A lucky man will always find water.

By studying human history, we can realize how much of human stupidity has fallen on fertile ground. Is gravity guilty for such an occurrence too?

To smile sincerely is acceptable after making mistakes – that is the best way to feel cheerful and repeat the same mistakes.

Continuous denial of rational arguments represents a contempt of common sense.

Be careful about financial offers that often come by email. Before you respond to such an offer, ask yourself: do I really need a new problem?

Only the simplest of facts can be accepted as an undisputed truth.

The meaning of man's existence is not to dominate over others, but to better humanity.

Information and communication technologies have changed the way of life completely. Nowadays, many people reach for their smart phones and/or turn their computers on as soon as they wake up. They look at the news on social networks and check e-mails, before they get dressed or have breakfast.