When I seemed to be irritable or sad, my father would quote the learned Dr. Knight, and then say, 'Just go to sleep.' Like all smart aleck kids, I thought the advice was silly. But as I've grown older, I've realized just how smart Knight was.

It's a lot better to hope than not to.

If there's a recession, I'd buy stocks. That's when you make money: when markets are spooked.

I feel as if I'm in on a pass and am damn lucky to have whatever I have. It could all be taken away in a second.

Academic freedom is being lost by a great many people who dare to challenge Darwinism. That's a terrifying situation. That's contrary to the principles of science.

Men and women succeed because they find a field of endeavor that matches their interests and abilities.

The human spirit needs to accomplish, to achieve, to triumph to be happy.