I think the reason people are dealing with science less well now than 50 years ago is that it has become so complicated.

As an educator, I have always striven to see that the fruits of the American Dream are available to all.

Do things as soon as you can. If a decision needs to be made, make it. It gives you more time to change your mind.

DNA was my only gold rush. I regarded DNA as worth a gold rush.

I recently went to my staircase at Clare College, Cambridge and there were women there! There have been a lot of convincing studies recently about the loss of productivity in the Western male. It may be that entertainment culture now is so engaging that it keeps people satisfied. We didn't have that. Science was much more fun than listening to the radio. When you are 16 or 17 and in that inherently semi-lonely period when you are deciding whether to be an intellectual, many now don't bother.

I have a son, who is a... not an ordinary form of schizophrenia, but clearly, cannot take care of himself. And the great fear of then, of all parents is, when the parents die, who takes care of your child? And the answer is: they become homeless.

There is no firm reason to anticipate that the intellectual capacities of peoples geographically separated in their evolution should prove to have evolved identically. Our wanting to reserve equal powers of reason as some universal heritage of humanity will not be enough to make it so.