The language that nature speaks is the same language that we invented for mathematics. That's just an amazing piece of luck, which we don't understand.

Boiled down to one sentence, my message is the unboundedness of life and the unboundedness of human destiny.

I am saying that all predictions concerning climate are highly uncertain.

The public has a distorted view of science because children are taught in school that science is a collection of firmly established truths. In fact, science is not a collection of truths. It is a continuing exploration of mysteries.

I am acutely aware of the fact that the marriage between mathematics and physics, which was so enormously fruitful in past centuries, has recently ended in divorce.

The media always tries to make everything into a disaster, but it's mostly rubbish.

It is not surprising that honest and well-informed experts can disagree about facts. But beyond the disagreement about facts, there is another deeper disagreement about values.