Insanity is just a state of mind.

War is war and Hell is hell, and if you ask me, War is a lot worse.

My relationship with science is as someone who's curious and hungry to know, hungry to understand. So all I have to offer is my ignorance and my curiosity, which is a good combination, as long as they come together.

Laugh at yourself, but don't ever aim your doubt at yourself.

Whenever you wonder about yourself, look up at the stars swirling around in the heavens and just realize how tiny and puny they are. They're supposed to be gigantic explosions and they're just these insignificant little dots. If you step back from things far enough you realize how important and powerful you are.

During the first day, curious at having outsiders among them, a long stream of inmates came over and talked with me. Remarkably, according to what they told me, nearly every inmate in the prison didn't do it. Several thousand people had been locked up unjustly and, by an incredible coincidence, all in the same prison. On the other hand, they knew an awful lot about how to knife somebody.

We're highly social animals - I'm told by scientists that what makes us different from other animals is an acute social awareness, which is what has made us so successful.