Images of the world are Renormalization Group fixed points.

The world is continuous, but the mind is discrete.

I am accustomed, as a professional mathematician, to living in a sort of vacuum, surrounded by people who declare with an odd sort of pride that they are mathematically illiterate.

Logic has virtually nothing to do with the way we think.

The world is a very complicated place, as babies know.

I think that mathematics can benefit by acknowledging that the creation of good models is just as important as proving deep theorems.

The extreme possibilities are the most illuminating.

A friend asks, "Tell me one word which is significant in any kinds of relationship." Another friend says, "LISTEN!

You need a break every once in a while to enjoy the everyday and you need the everyday to enjoy the break you take every once in a while.

I was watching TV and saw people with masks, weapons, and grenades. I thought, Is that really possible? Could we be here yet again? And go into civil war one more time?

Without a mythology, faith is impersonal and heartless.

I just felt as though I would never be happy again, and as if I had fallen into a big black hole.

Never stop fighting till the fight is done.

The story of women's struggle for equality belongs to no single feminist nor to any one organization but to the collective efforts of all who care about human rights

Children bring their own love with them when they come.

Do not offer the child the content of the mind, but the order for that content.

Believe me, if a man doesn't know death, he doesn't know life.