If one knows only what one is told, one does not know enough to be able to arrive at a well-balanced decision.

If you want to succeed in the world, you don't have to be much cleverer than other people. You just have to be one day earlier.

Three stages of truth for scientists: It's not true. If it is true, it's not very important. We knew it all along.

We turned the switch, saw the flashes, watched for ten minutes, then switched everything off and went home. That night I knew the world was headed for sorrow.

You may assume infinite ignorance and unlimited intelligence.

Even if we accept, as the basic tenet of true democracy, that one moron is equal to one genius, is it necessary to go a further step and hold that two morons are better than one genius?

Do not destroy what you cannot create.

Do your work for six years; but in the seventh, go into solitude or among strangers, so that the memory of your friends does not hinder you from being what you have become.

A scientist's aim in a discussion with his colleagues is not to persuade, but to clarify.

I'm looking for a market for wisdom.

Pronouncement of experts to the effect that something cannot be done has always irritated me.

Nature paces its change in gradual steps, and in this time of renewal, I danced in sync to the rhythm of life.

The more difficult a problem is, the more discoveries you make in the process of resolving it.

They cannot take away our self respect if we do not give it to them.

Success is doing ordinary things extraordinarily well.

People that were a little nerdy in high school would look up to me and know it gets better.

You don't need papers to vote.

I learned another thing, which is that just because someone is eating the ashes of your protagonist doesn't mean you stop telling the story.

Austrailia, Sydney Might run up in Disney Out in LA with Lindsay.

My dad is adorably optimistic, positive, pie-in-the-sky. He thinks every new song I write is my best. He sells T-shirts at my merchandise stands and hands out guitar picks to fans.

Not everybody feels religion the same way. Some it's in their mouth, but some it's like a hope in their blood, their bones.