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.

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

I once worked as a salesman and was very independent. I took orders from no one.

Of course, clothing fashions have always been impractical, except in Tahiti.

Science is, in the best and strictest sense, glorious entertainment

Vanity is a static thing. It puts it faith in what it has, and is easily wounded. Pride is active, and satisfied only with what it can do, hence accustomed not to feel small stings.

The one thing that unifies men in a given age is not their individual philosophies but the dominant problem that these philosophies are designed to solve.