To turn really interesting ideas and fledgling technologies into a company that can continue to innovate for years, it requires a lot of disciplines.

Keep things at arm's length... If you let anything come too near you want to hold on to it. And there is nothing a man can hold on to.

I've always had an obligation to creation, above all.

I have noticed that nothing I have never said ever did me any harm.

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

Anyone who attempts to generate random numbers by deterministic means is, of course, living in a state of sin.

Only those with no memory insist on their originality.

An idea is salvation by imagination

Religion and art spring from the same root and are close kin. Economics and art are strangers.

The true test of a man's character is what he does when no one is watching.

All of us have moments in our lives that test our courage. Taking children into a house with a white carpet is one of them.

Experience without theory is blind, but theory without experience is mere intellectual play.

By seeing London, I have seen as much of life as the world can show.

My idea of an agreeable person is a person who agrees with me.

External nature is only internal nature writ large.

The paranoid is never entirely mistaken.

Three may keep a secret, if two of them are dead.

Dare to risk public criticism.

It is a good rule in life never to apologize. The right sort of people do not want apologies, and the wrong sort take a mean advantage of them.

Purity of heart is to will one thing.

You're only given a little spark of madness. You mustn't lose it.