Humans in space suits make monkeys nervous.

When people asked him why he didn't work with those viruses, he replied, I don't particularly feel like dying.

If equations are trains threading the landscape of numbers, then no train stops at pi.

It showed a kind of obscenity you see only in nature, an obscenity so extreme that it dissolves imperceptibly into beauty.

The best way to know what's in the soup, is to boil yourself in it.

You can’t fight off Ebola the way you fight off a cold. Ebola does in ten days what it takes AIDS ten years to accomplish.

He liked the loneliness of inner space, the sense of being forgotten by the world.