I like to say that while antimatter may seem strange, it is strange in the sense that Belgians are strange. They are not really strange; it is just that one rarely meets them.

It really is the most poetic thing I know about physics: you are all stardust.

At the heart of quantum mechanics is a rule that sometimes governs politicians or CEOs-as long as no one is watching, anything goes.

I cannot stress often enough that what science is all about is not proving things to be true but proving them to be false.

There is a maxim about the universe which I always tell my students: That which is not explicitly forbidden is guaranteed to occur.

Every atom in your body came from a star that exploded. And the atoms in your left hand probably came from a different star than your right hand. It really is the most poetic thing I know about physics: you are all stardust.

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