“To every man is given the key to the gates of heaven. The same key opens the gates of hell.”

Physics is to math what sex is to masturbation.

How much do you value life? Sixty-four.

The game I play is a very interesting one. It’s imagination, in a tight straightjacket.

All mass is interaction.

Thank you very Much, I enjoyed myself.

I’m smart enough to know that I’m dumb.

Science is the belief in the ignorance of experts.

Words can be meaningless. If they are used in such a way that no sharp conclusions can be drawn.

Tell your son to stop trying to fill your head with science — for to fill your heart with love is enough.

I can live with doubt and uncertainty and not knowing. I think it’s much more interesting to live not knowing than to have answers that might be wrong.

The individual member of the social community often receives his information via visual, symbolic channels. I went back and forth over it, and translated. You know what it means? People read.

Learn what the rest of the world is like. The variety is worthwhile.

That’s the trouble with not being in your own field: You don’t take it seriously.

Innovation is a very difficult thing in the real world

Philosophy of science is about as useful to scientists as ornithology is to birds.

If you thought that science was certain – well, that is just an error on your part.