If a dog jumps in your lap, it is because he is fond of you; but if a cat does the same thing, it is because your lap is warmer.

It requires a very unusual mind to undertake the analysis of the obvious.

The deepest definition of youth is life as yet untouched by tragedy.

Everything of importance has been said before by somebody who did not discover it.

I have suffered a great deal from writers who have quoted this or that sentence of mine either out of its context or in juxtaposition to some incongruous matter which quite distorted my meaning , or destroyed it altogether.

Seek simplicity, and distrust it.

We think in generalities, but we live in detail.