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.

Definitions are the foundation of reason. You can't reason without them.

The solutions all are simple - after you have arrived at them. But they're simple only when you know already what they are.

If someone's ungrateful and you tell him he's ungrateful, okay, you've called him a name. You haven't solved anything.

People say mental hospitals are for the patients, in fact they are to protect society from them. They are justified in doing that. Society has to do what is best for itself.

Cultivate peace of mind which does not separate one's self from one's surroundings. When that is done successfully, then everything else follows naturally.

Cliches and stereotypes such as "beatnik" or "hippie" have been invented for the antitechnologists, the antisystem people, and will continue to be. But one does not convert individuals into mass people with the simple coining of a mass term.