That's the way to get young people. Once they see there are wonderful things to hunt for, to rediscover a species that was thought to be extinct or is extremely rare, to be the first to see a nest, to discover a new species unsuspected close to your home - these are things, I think, with a little education and excitement and the right kind of natural history would actually start a movement that makes going back to nature a profitable adventure.

In the process of natural selection, then, any device that can insert a higher proportion of certain genes into subsequent generations will come to characterize the species.

In my heart, I'm an Alabaman who went up north to work.

Blind faith, no matter how passionately expressed, will not suffice. Science for its part will test relentlessly every assumption about the human condition.

Ideas emerge when a part of the real or imagined world is studied for its own sake.

Thirty trillion dollars worth of services, scot-free to humanity, every year.

Science and technology are what we can do; morality is what we agree we should or should not do.