The mind of the polyglot is a very particular thing, and scientists are only beginning to look closely at how acquiring a second language influences learning, behavior and the very structure of the brain itself.

We are all born with an innate understanding of interpersonal equity - the idea that if you lend me your rake today, I'll respond in kind when you come to borrow my shovel tomorrow. Or nearly all of us are born with that. Psychopaths aren't.

There are a lot of obstacles in the way of our understanding animal intelligence - not the least being that we can't even agree whether nonhuman species are conscious. We accept that chimps and dolphins experience awareness; we like to think dogs and cats do. But what about mice and newts? What about a fly? Is anything going on there at all?

Learning to speak was the most remarkable thing you ever did.

I enjoy life so much I don't want it to end, and dying does worry me. If you've got faith, you believe that you're going to go to a magic land, but unfortunately, I don't have faith.

The whole essence of the Christian religion is based on the atonement of Christ, his death and his resurrection.

Every day, hundreds of millions of people stab themselves, bleed, and then offer, like a sacrifice, to the glucose monitor they're carrying with them. It's such a bad user interface that even though in the medium-term it's life or death for these people, hundreds of millions of people don't engage in this user interface.

It is true that you can say that death is natural, but it is also natural to fight death. But if you stand up and say this is a big problem, we should do something about this, that makes people very uncomfortable, because they've made their peace with death.