A motorcycle functions entirely in accordance with the laws of reason, and a study of the art of motorcycle maintenance is really a miniature study of the art of rationality itself.

For every fact there is an infinity of hypotheses.

Why, for example, should a group of simple, stable compounds of carbon, hydrogen, oxygen, and nitrogen struggle for billions of years to organize themselves into a professor of chemistry? What's the motive?

To an experienced Zen Buddhist, asking if one believes in Zen or one believes in the Buddha, sounds a little ludicrous, like asking if one believes in air or water. Similarly Quality is not something you believe in, Quality is something you experience.

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.

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

Man is not the source of all things, as the subjective idealists would say. Nor is he the passive observer of all things, as the objective idealists would say. The Quality which creates the world emerges as a relationship between man and his experience. He is a participant in the creation of all things. The measure of all things.