Few people are capable of expressing with equanimity opinions which differ from the prejudices of their social environment. Most people are even incapable of forming such opinions.

Real sign of intelligence isn't knoweldge, it's imagination

The man with the greatest soul will always face the greatest war with the low minded person.

Overemphasis of the competitive system and premature specialization on the ground of immediate usefulness kill the spirit on which all cultural life depends, specialized knowledge included.

A man must learn to understand the motives of human beings, their illusions, and their sufferings.

I have lived to prove Thoreau's contention that a man is rich in proportion to the number of things which he can afford to let alone.

It is impossible to solve significant problems using the same knowledge that created them.