Our dilemma is that we hate change and love it at the same time; what we really want is for things to remain the same but get better.

The deepest and rarest kind of courage has nothing to do with feats or obstacles in the outside world; and, indeed, has nothing to do with the outside world - it is the courage to be who you are.

The art of living consists in knowing which impulses to obey and which must be made to obey.

Why are we willing to accept a new mathematical formula we don't understand as the product of a brilliant mind, while rejecting a new art form we don't understand as the product of a deranged mind?

More trouble is caused in this world by indiscreet answers than by indiscreet questions.

"Terrorism" is what we call the violence of the weak, and we condemn it; "war" is what we call the violence of the strong, and we glorify it.

Parents - and teachers too - are woefully short-sighted when they try to protect the child from his mistakes, when they make the "right answer" more important than the quest for knowledge and good judgment. For what is not learned within one's self cannot be learned from another.