Free will is the sensation of making a choice. The sensation is real, but the choice seems illusory. Laws of physics determine the future.

Sometimes attaining the deepest familiarity with a question is our best substitute for actually having the answer.

Science is the process that takes us from confusion to understanding.

When kids look up to great scientists the way they do to great musicians and actors, civilization will jump to the next level

Exploring the unknown requires tolerating uncertainty.

We're on this planet for the briefest of moments in cosmic terms, and I want to spend that time thinking about what I consider the deepest questions.

Intelligence is the ability to take in information from the world and to find patterns in that information that allow you to organize your perceptions and understand the external world.

I was holding [my four-year-old daughter] and I said, 'Sophia, I love you more than anything in the universe.' And she turned to me and said, 'Daddy, universe or multiverse?'

All you are is a bag of particles acting out the laws of physics. That to me is pretty clear.

Physics grapples with the largest questions the universe presents. Where did the totality of reality come from? Did time have a beginning?

Sometimes nature guards her secrets with the unbreakable grip of physical law. Sometimes the true nature of reality beckons from just beyond the horizon.

It took me a lifetime.

If I could I would always work in silence and obscurity and let my efforts be known by their results.

All my humor is based on destruction and despair. If the whole world were tranquil, without disease and violence, I'd be standing in the bread line - right in back of J. Edgar Hoover.

In South Africa, success never presented the problems that it presents in New York. In New York, if you happen to be the flavor of the month, a lot of nonsense comes with it into your life.

Feel like a woman, wear a dress!

If you think individual, that's how you're going to come off. I've always given 'team' a chance.

Id love to see more women working as directors and producers.

Where does a man get inspiration to write a song like that? Well, he gets it from the landlady once a month.

Cooking requires confident guesswork and improvisation-- experimentation and substitution, dealing with failure and uncertainty in a creative way

We cannot help living in history. We can only fail to be aware of it.