A pure belief can not be forced on human's heart.If it could, no need for terms such as 'I've told you'.

There's no magic potion to remove you from a tough situation than your own self conviction and no poison as dangerous as self doubt. In no one has done it so far, you could be the one showing the way!

So many people are able to do something in life, but when they compare what they have done to their larger environment, they feel they have not done anything!