Time and rest are needed for absorption. Psychologists confirm that it is really in the summer that our muscles learn to skate and in the winter, how to swim.

Great cultural changes begin in affectation and end in routine.

A man who has both feet planted firmly in the air can be safely called a liberal as opposed to the conservative, who has both feet firmly planted in his mouth.

To delve into history entails, besides the grievance of hard work, the danger that in the depths one may lose one’s scapegoats.

Teaching is not a lost art, but the regard for it is a lost tradition.

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.

One great aim of revision is to cut out. In the exuberance of composition it is natural to throw in - as one does in speaking - a number of small words that add nothing to meaning but keep up the flow and rhythm of thought. In writing, not only does this surplusage not add to meaning, it subtracts from it. Read and revise, reread and revise, keeping reading and revising until your text seems adequate to your thought.