Time travel may be possible, but it is not practical.

Science does not deny religion, it just offers a simpler alternative.

The lesson of the book is that the universe is governed by the laws of science.

If you understand how the universe operates, you control it in a way.

The beatings will continue until morale improves.

I am discounting the reports of UFOs. Why would they appear only to cranks and weirdos?

Real science can be far stranger than science fiction and much more satisfying.

Why do we remember the past, but not the future?

It was recently discovered that research causes cancer in rats.

We don't let animals suffer, so why humans?

Religion believes in miracles, but these aren't compatible with science.

I have sold more books on physics than Madonna has on sex.

I don't know what my IQ is. People who gloat about their IQ's are losers

To confine our attention to terrestrial matters would be to limit the human spirit.

Do you believe in first love - or should I pass by again?

It matters that you don't just give up.

If at first, you don't succeed, try management.

There should be a better way to start a day than waking up every morning.

I would rather be right than rigorous.