The family that prays together...is brainwashing their children.

Example isn't another way to teach, it is the only way to teach.

If I had an hour to solve a problem I'd spend 55 minutes thinking about the problem and 5 minutes thinking about solutions.

I should very much like to remain in the darkness of not having been analyzed.

Don't listen to the person who has the answers; listen to the person who has the questions.

Concepts that have proven useful in ordering things easily achieve such authority over us that we forget their earthly origins and accept them as unalterable givens.

The physicists say that I am a mathematician, and the mathematicians say that I am a physicist. I am a completely isolated man and though everybody knows me, there are very few people who really know me.