Quiet people have the loudest minds.

If I have questions about the universe on my mind when I go to bed, I can't turn off. I dream equations all night.

Science makes God unnecessary.

The increase of disorder or entropy with time is one example of what is called an arrow of time, something that distinguishes the past from the future, giving a direction to time.

Once I wept for I had no shoes. Then I met a man with no feet, so I took his shoes. I mean, it wasn't as if he was going to need them.

The beatings will continue until morale improves.

Using e-mail, I can communicate with scientists all over the world.