Time can behave like another direction in space under extreme conditions.

Intelligence is the ability to adapt to change.

So remember to look up at the stars and not down at your feet. Try to make sense of what you see and hold on to that childlike wonder about what makes the universe exist.

The thing about smart people is that they seem like crazy people to dumb people.

It is all right to make mistakes; nothing is perfect because with perfection, we would not exist.

I have noticed even people who claim everything is predestined, and that we can do nothing to change it, look before they cross the road.

People won't have time for you if you are always angry or complaining.

It is reasonable to ask who or what created the universe, but if the answer is God, then the question has merely been deflected to that of who created God.

It is very important for young people keep their sense of wonder and keep asking why.

The development of full artificial intelligence could spell the end of the human race.

When I hear of Schrödinger's cat, I reach for my pistol.

Humor has bailed me out of more tight situations than I can think of. If you go with your instincts and keep your humor, creativity follows. With luck, success comes, too.

When does she do all this thinking? We're together all the time but she thinks deeply about things and with feeling and she can remember the facts. We've been married 48 years.

That's what I love. Not being interrupted, sitting in a car by myself and listening to music in the rain. There are so many great songs yet to sing

A story never looks as good as when the other fellow buys it.

The Oscar changed everything. Better salary, working with better people, better projects, more exposure, less privacy.

Liberty is a soul’s right to breathe.

I resolve never to make any resolutions because all resolutions are restrictions for the future. All resolutions are imprisonments.

Why should you renounce your right to traverse the star-lit deserts of truth, of the premature comforts of an acre, house, and barn? Truth also has its roof, and bed, and board.

Love doesn't hurt you. A person that doesn't know how to love hurts you. Don't get it twisted.

If you write genre fiction, you follow the rules, and you have to follow them because readers expect that.