When you look directly at an insane man all you see is a reflection of your own knowledge that he's insane, which is not to see him at all.

When somebody goes outside the cultural norms, the culture has to protect itself.

The test of the machine is the satisfaction it gives you. There isn't any other test. If the machine produces tranquility it's right. If it disturbs you it's wrong until either the machine or your mind is changed.

You want to know how to paint a perfect painting? It's easy. Make yourself perfect and then just paint naturally.

Other people can talk about how to expand the destiny of mankind. I just want to talk about how to fix a motorcycle. I think that what I have to say has more lasting value.

What is seen now so much more clearly is that although the names keep changing and the bodies keep changing, the larger pattern that holds us all together goes on and on.

There is an evil tendency underlying all our technology - the tendency to do what is reasonable even when it isn't any good.