The mind tends to run along the groove of one's intention and overlook the actual expression.

Speech, after all, is in some measure an expression of character, and flexibility in its use is a good way to tell your friends from the robots.

Life is given us as a passion.

Let us face a pluralistic world in which there are no universal churches, no single remedy for all diseases, no one way to teach or write or sing, no magic diet, no world poets, and no chosen races, but only the wretched and wonderfully diversified human race.

You never step in the same river of thought twice, because neither you nor it are the same.

The professionals resemble and recognize each other by virtue of the stigmata that their trade has left upon them. They are like the dog in the fable, whose collar has made an indelible mark around his neck. The amateur is the shaggy wolf whom no dog had better trust too far.

In ordinary speech the words perception and sensation tend to be used interchangeably, but the psychologist distinguishes. Sensations are the items of consciousness--a color, a weight, a texture--that we tend to think of as simple and single. Perceptions are complex affairs that embrace sensation together with other, associated or revived contents of the mind, including emotions.