[The writers of the holy books] did not even know the earth revolves around the sun. Why are we listening?

I can't prove that God doesn't exist, but I'd much rather live in a universe without one.

We all trust each other to some extent. We have to rely on experts to some extent, but we should learn to be sceptical.

Celebrate our brief moment in the sun

The purpose of education is not to validate ignorance but to overcome it.

Neutrinos alone, among all the known particles, have ethereal properties that are striking and romantic enough both to have inspired a poem by John Updike and to have sent teams of scientists deep underground for 50 years to build huge science-fiction-like contraptions to unravel their mysteries.

Teaching and writing, to me, is really just seduction; you go to where people are and you find something that they're interested in and you try and use that to convince them that they should be interested in what you have to say.