Opponents say natural selection is not a theory supported by observation or experiment; that it is not based on fact; and that it cannot be proved. Well, no, you cannot prove the theory to people who won't believe in it any more than you can prove that the Battle of Hastings took place in 1066. However, we know the battle happened then, just as we know the course of evolution on earth unambiguously shows that Darwin was right.

I just wish the world was twice as big and half of it was still unexplored.

I'm luckier than my grandfather, who didn't move more than five miles from the village in which he was born.

I suffer much less than many of my colleagues. I am perfectly able to go to Australia and film within three hours of arrival.

It is vital that there is a narrator figure whom people believe. That's why I never do commercials. If I started saying that margarine was the same as motherhood, people would think I was a liar.

All life is related. And it enables us to construct with confidence the complex tree that represents the history of life

You'll find people where their conditions aren't changing in any way, its rather rare for them to be happy.