I will not let anyone walk through my mind with their dirty feet.

If information and knowledge are central to democracy, they are the conditions for development.

Dress shabbily and they remember the dress; dress impeccably and they remember the woman.

The universe we observe has precisely the properties we should expect if there is, at bottom, no design, no purpose, no evil and no good, nothing but blind pitiless indifference.

A great city is the place to escape the true drama of provincial life, and find solace in fantasy.

The good times of today are the sad thoughts of tomorrow.

I may not be better than other people, but at least I'm different.

To forbid us anything is to make us have a mind for it.

Anybody who watches three games of football in a row should be declared brain dead.

Enthusiasm... the sustaining power of all great action.

Usually when people are sad, they don't do anything. They just cry over their condition. But when they get angry, they bring about a change.

All human actions have one or more of these seven causes: chance, nature, compulsion, habit, reason, passion, and desire.

The future ain't what it used to be.

Everything is vague to a degree you do not realize till you have tried to make it precise.

The battle for women's rights has been largely won.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

We do not have to visit a madhouse to find disordered minds; our planet is the mental institution of the universe.

The world is moving so fast these days that the man who says it can't be done is generally interrupted by someone doing it.

All men are liable to error; and most men are, in many points, by passion or interest, under temptation to it.

Don't send me flowers when I'm dead. If you like me, send them while I'm alive.

Pretty much, Apple and Dell are the only ones in this industry making money. They make it by being Wal-Mart. We make it by innovation.