Science is my territory, but science fiction is the landscape of my dreams.

[John Wheeler] rejuvenated general relativity; he made it an experimental subject and took it away from the mathematicians

In religion, you're supposed to be somehow in touch with something deep and full of mysteries.

If you don't have a nasty obituary you probably didn't matter.

If you want to have a program for moving out into the universe, you have to think in centuries not in decades.

Almost everything about the universe is astounding. I think the most amazing thing is how gifted we are - we are only monkeys who came down from the trees just recently. We have these amazing gifts of music and mathematics and painting and Olympic running.

I belonged to a small minority of boys who were lacking in physical strength and athletic prowess. ... We found our refuge in science. ... We learned that science is a revenge of victims against oppressors, that science is a territory of freedom and friendship in the midst of tyranny and hatred.