It is one of the triumphs of human wit ... to conquer by humility and submissiveness ... to make oneself small in order to appear great ... such ... are often the expedients of the neurotic.

There is no such thing as talent. There is pressure.

Follow your heart but take your brain with you.

We cannot say that if a child is badly nourished he will become a criminal. We must see what conclusion the child has drawn.

Each generation has its few great mathematicians, and mathematics would not even notice the absence of the others. They are useful as teachers, and their research harms no one, but it is of no importance at all. A mathematician is great or he is nothing.

Men of genius are admired, men of wealth are envied, men of power are feared; but only men of character are trusted.

Every individual acts and suffers in accordance with his peculiar teleology, which has all the inevitability of fate, so long as he does not understand it.