What is the use of living, if it be not to strive for noble causes.

The positive thinker sees the invisible, feels the intangible, and achieves the impossible.

The pessimist sees difficulty in every opportunity. The optimist sees opportunity in every difficulty.

Diplomacy is the art of telling people to go to hell in such a way that they ask for directions.

There is nothing government can give you that it hasn't taken from you in the first place.

Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery.

You will never reach your destination if you stop and throw stones at every dog that barks.

Courage is what it takes to stand up and speak; courage is also what it takes to sit down and listen.

Success consists of going from failure to failure without loss of enthusiasm.

Fear is a reaction. Courage is a decision.

A nation that forgets its past has no future.

Dad got furious when we lied to him. No, Dad got furious then we lied to him.

I'm not a nice girl; I'm a photographer. (On being told by a Federal Art Project official, after she photographed the Bowery, that a nice girl should not go into such neighborhoods )

With the first money I ever made I bought my Mommy and Daddy a car, and helped them fix their house up.

Science is prediction, not explanation.

In revolutionary times the rich are always the people who are most afraid.

To have command of the air means to be able to cut an enemy's army and navy off from their bases of operation and nullify their chances of winning the war.

We must play as if there are no more games, no more tomorrows.

The work produced is a thing among things, able to be experienced and described as a sum of qualities. But from time to time it can face the receptive beholder in its whole embodied form.

Nothing in our culture, not even home computers, is more overrated than the epidermal felicity of two featherless bipeds in desperate congress.

I would probably have been very content as a scholar to have carried on organising exhibitions and writing books and teaching.