In mathematics you don't understand things. You just get used to them.
I have no special talents. I am only passionately curious.
Learning gives creativity, Creativity leads to thinking, Thinking provides knowledge, Knowledge makes you great.
What is freedom of expression? Without the freedom to offend, it ceases to exist.
There is no authority who decides what is a good idea.
The most savage controversies are those about matters as to which there is no good evidence either way.
Reading is to the mind what exercise is to the body.
All stable processes we shall predict. All unstable processes we shall control.
A cynic is a man who knows the price of everything, and the value of nothing.
He who would learn to fly one day must first learn to stand and walk and run and climb and dance; one cannot fly into flying.
Those who fail to learn the lessons of history are doomed to repeat them.
There is nothing more awful, insulting, and depressing than banality.
I prefer the company of peasants because they have not been educated sufficiently to reason incorrectly.
Industrialize or perish.
The task of a writer is not to solve the problem but to state the problem correctly.
Don't worry that children never listen to you; worry that they are always watching you.
The highest activity a human being can attain is learning for understanding, because to understand is to be free.
What sculpture is to a block of marble, education is to a human soul.
Language is courage: the ability to conceive a thought, to speak it, and by doing so to make it true.
Medicine is my lawful wife and literature my mistress; when I get tired of one, I spend the night with the other.
The ability to observe without evaluating is the highest form of intelligence.