When you've got a Chautauqua in your head, it's extremely hard not to inflict it on innocent people.

The only Zen you can find on the tops of mountains is the Zen you bring up there.

If you stare at a wall from four in the morning till nine at night and you do that for a week, you are getting pretty close to nothingness.

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.

Analytic and romantic understanding should be united at a basic level. Reassimilate the passions from which the rational mind fled.

Only social patterns can control biological patterns, and the instrument of conversation between society and biology is not words. The instrument of conversation between society and biology has always been a policeman or a soldier and his gun.

The past exists only in our memories, the future only in our plans. The present is our only reality. The tree that you are aware of intellectually, because of that small time lag, is always in the past and therefore is always unreal. Any intellectually conceived object is always in the past and therefore unreal. Reality is always the moment of vision before the intellectualization takes place. There is no other reality.