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.
David AttenboroughClimate change will affect the whole of humanity, while terrorist attacks will only affect a small section of humanity. Of course, you wouldn't say that if you were related to someone who had been beheaded or blown up or murdered. But humanity is facing a very big, slow, long, drawn-out threat, and that is to do with the way the weather is changing and the size of the population.
David AttenboroughI'm luckier than my grandfather, who didn't move more than five miles from the village in which he was born.
David AttenboroughI'm not an animal lover if that means you think things are nice if you can pat them, but I am intoxicated by animals.
David AttenboroughWe keep putting on programmes about famine in Ethiopia; thatโs whatโs happening. Too many people there. They canโt support themselves โ and itโs not an inhuman thing to say. Itโs the case. Until humanity manages to sort itself out and get a coordinated view about the planet itโs going to get worse and worse.
David Attenborough