People think I'm a Simpsons character.

Equations are just the boring part of mathematics. I attempt to see things in terms of geometry.

It is said that there's no such thing as a free lunch. But the universe is the ultimate free lunch.

If you lined up all the cars in the world end to end, someone would try to pass them.

[On President Bush's plan to get to Mars in 10 years] Stupid. Robots would do a better job and be much cheaper because you don't have to bring them back.

One of the basic rules of the universe is that nothing is perfect. Perfection simply doesn't exist.....Without imperfection, neither you nor I would exist

God not only plays dice, he throws them in the corner where you can't see them.