It matters that you don't just give up.

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?

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

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?

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.

Science is not only a disciple of reason but, also, one of romance and passion.

One cannot really argue with a mathematical theorem.

We waste time, so you don't have to.

Plagiarism saves time.

The fact that no one understands you doesn't mean you're an artist.

If time travel is possible, where are the tourists from the future?