Science is too important not to be a part of popular culture.

Feudal societies don't create great cinema; we have great theatre. The egalitarian societies create great cinema. The Americans, the French. Because equality is sort of what the cinema deals with. It deals with stories which don't fall into 'Everybody in their place and who's who,' and all that. But the theatre's full of that.

An explorer of the universe is sexier than a musician.

The aim of particle physics is to understand what everything’s made of, and how everything sticks together. By everything I mean me and you, the Earth, the Sun, the 100 billion suns in our galaxy and the 100 billion galaxies in the observable universe. Absolutely everything.

Climate change: Don't undermine the science just because you don't like the economics

One might say science is the sum total of our knowledge of the universe, the great library of the known, but the practice of science happens at the border between the known and the unknown. Standing on the shoulders of giants, we peer into the darkness with eyes opened not in fear but in wonder.

(On the energy radiated by the Sun) It's four hundred million million million million watts. That is a million times the power consumption of the United States every year, radiated in one second, and we worked that out by using some water, a thermometer, a tin, and an umbrella. And that's why I love physics.