Man knows much more than he understands.

seeing with the eyes of another, listening with the ears of another, and feeling with the heart of another.

We must interpret a bad temper as a sign of inferiority.

Time is a great teacher, but unfortunately it kills all its pupils. Hector Berlioz It is easier to fight for one's principles than to live up to them.

The mathematical life of a mathematician is short. Work rarely improves after the age of twenty-five or thirty. If little has been accomplished by then, little will ever be accomplished.

The truth is often a terrible weapon of aggression. It is possible to lie, and even to murder, with the truth.

Distorted history boasts of bellicose glory... and seduces the souls of boys to seek mystical bliss in bloodshed and in battles.