“I have sold more books on physics than Madonna has on sex.”

When something is made idiot proof, they will just make better idiots.

Scientific discovery may not be better than sex, but the satisfaction lasts longer.

We only have to look at ourselves to see how intelligent life might develop into something we wouldn’t want to meet.

Intelligence is the ability to adapt to change.

What I meant by ‘we would know the mind of God’ is, we would know everything that God would know, if there were a God. Which there isn’t. I’m an atheist.

Time and space are finite in extent, but they don’t have any boundary or edge. They would be like the surface of the earth, but with two more dimensions.

Life would be tragic if it weren’t funny.

Every man should marry. After all, happiness is not the only thing in life.

My expectations were reduced to zero when I was 21. Everything since then has been a bonus.

Its a crazy world out there. Be curious.

Although I cannot move, and I have to speak through a computer, in my mind, I am free.

Why do we remember the past, but not the future?

I’ve noticed that even people who believe in fate look both ways before crossing the street.

The universe doesn’t allow perfection.

The wise never marry, and when they marry they become otherwise.

Quiet people have the loudest minds.

Reading inspires us to dream.

I wasn’t a comic book geek as a kid. I read some, but it was just like, ‘Oh, I have this comic book here.’ It wasn’t like I was collecting them.

Philosophy is written in that great book which ever lies before our eyes. I mean the universe, but we cannot understand it if we do not first learn the language and grasp the symbols, in which it is written.

The more I read, the more I acquire, the more certain I am that I know nothing.

Here you discover that so long as books are kept open, then minds can never be closed.

Books permit us to voyage through time, to tap the wisdom of our ancestors.

I’ve never read one book about my father.

That’s part of what I like about the book in some ways. It portrays death truthfully. You die in the middle of your life, in the middle of a sentence.