Campaigning against religion can be socially counter-productive. If teachers take the uncompromising line that God and Darwinism are irreconcilable, many young people raised in a faith-based culture will stick with their religion and be lost to science.

We need to broaden our sympathies both in space and time - and perceive ourselves as part of a long heritage, and stewards for an immense future.

Science isn't just for scientists - it's not just a training for careers.

All the atoms we are made of are forged from hydrogen in stars that died and exploded before our solar system formed. So if you are romantic, you can say we are literally stardust. If you are less romantic, you can say we're the nuclear waste from fuel that makes stars shine.

God invented space so that not everything had to happen in Princeton.

I think all countries need to aim to cut the CO2 emissions per person, taking account of externalities like imports and exports.

Absence of evidence is not evidence of absence.