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?
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.
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.
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.
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.