Einstein's E=mc2 is an extraordinary concept. So radical: matter and energy are two phases of the same sort of general stuff. There's only one other idea that radical: Forgive us our trespasses as we forgive those who trespass against us.

The crowd, having been promised nothing, felt cheated, having received nothing.

If it weren't for the message of mercy and pity in Jesus' Sermon on the Mount, I wouldn't want to be a human being. I would just as soon be a rattlesnake.

The people who taught really knew their stuff. My chemistry teacher, Frank Wade, was actually a chemist. I was so lucky in a number of ways.

Bad guys turned informer. Good guys didn't - no matter when, no matter what.

I think William Shakespeare was the wisest human being I ever heard of. To be perfectly frank, though, that's not saying much.

It seems to me that the most universal revolutionary wish now or ever is a wish for heaven, a wish by a human being to be honored by angels for something other than beauty or usefulness.