We live at a very special time . . . the only time when we can observationally verify that we live at a very special time!

What people believe impacts on what they do. And it's not as if religion is universally bad. Of course it's responsible for many peoples doing good actions.

Nothing can create something all the time due to the laws of quantum mechanics, and it's - it's fascinatingly interesting.

The ultimate goal of physicists is to arrive at an equation that explains everything and could fit on a t-shirt. That may happen but the t-shirt would have to be 10-dimensional.

I hope that every [person] at one point in their life has the opportunity to have something that is at the heart of their being, something so central to their being that if they lose it they won't feel they're human anymore, to be proved wrong because that's the liberation that science provides. The realization that to assume the truth, to assume the answer before you ask the questions leads you nowhere.

Every atom in your body came from a star that exploded. And the atoms in your left hand probably came from a different star than your right hand. It really is the most poetic thing I know about physics: you are all stardust.

Most people don't base their morality on religion in spite what they say. If you ask people, "If you didn't believe in God, would you go out and kill your neighbour?" Most people will say, "No".