I've nothing against eye make-up and lipstick. But the fact is that we’re actually living on a planet in space. For me that’s an extraordinary thought. It’s mind-boggling just to think about the existence of space at all. But there are girls who can’t see the universe for eye liner.

He could very likely have appealed for leniency. At least he could have saved his life by agreeing to leave Athens. But had he done this he would not have been Socrates. He valued his conscience--and the truth-- higher than life.

Moreover, nature's blocks had to be eternal-because nothing can come from nothing.

All beauty that surrounds us must one day perish.

When you realize there is something you don't understand, then you're generally on the right path to understanding all kinds of things.

I want to understand more about the world while Im still here.

It was all too easy to make things up, it was like skating on thin ice, it was like doing dainty pirouettes on a brittle crust over water thousands of fathoms deep.