Biology is now bigger than physics, as measured by the size of budgets, by the size of the workforce, or by the output of major discoveries; and biology is likely to remain the biggest part of science through the twenty-first century.

Mostly I'm just writing books for the public, and so I try to describe for the public what the choices are, what they might have to expect in the future and so by warning people ahead of time maybe you have an effect.

The technologies which have had the most profound effects on human life are usually simple.

The average ground temperature of the Earth is impossible to measure since most of the Earth is ocean...So this average ground temperature is a fiction.

The pain of childbirth is not remembered. It's the child that's remembered.

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

The public knows that human beings are fallible. Only people blinded by ideology fall into the trap of believing in their own infallibility.