I do not think much of a man who is not wiser today than he was yesterday.

As human beings, our greatness lies not so much in being able to remake the world - that is the myth of the atomic age - as in being able to remove ourselves.

To invent, you need a good imagination and a pile of junk.

If the United States of America or Britain is having elections, they don't ask for observers from Africa or from Asia. But when we have elections, they want observers.

Do not let spacious plans for a new world divert your energies from saving what is left of the old. 

I try to live with honor, even if it costs me millions of dollars and takes a long time. It's very unusual in Hollywood. Few people are trustworthy - a handshake means nothing to them. They feel they're required to keep an agreement with you only if you're successful or they need you.

If something can corrupt you, you're corrupted already.

I have been brought up and trained to have the utmost contempt for people who get drunk. 

Of those beings who live in ignorance, shut up and confined, as it were, in an egg, I have first broken the eggshell of ignorance and alone in the universe obtained the most exalted, universal Buddhahood.

Conversion is not my intention. Changing religion is not easy. You may develop some kind of confusion or difficulty.

No amount of experimentation can ever prove me right; a single experiment can prove me wrong.

We need to keep making our streets safer and our criminal justice system fairer - our homeland more secure, our world more peaceful and sustainable for the next generation.