No one will protect what they don't care about, and no one will care about what they have never experienced.

Fundamentally not to waste energy. If we were all to reduce our demands for energy, it would make an enormous amount of difference.

I'm not a propagandist, I'm not a polemicist; my primary interest is just looking at and trying to understand how animals work.

The climate, the economic situation, rising birth rates; none of these things give me a lot of hope or reason to be optimistic.

This last chapter .. may have given the impression that somehow man is the ultimate triumph of evolution, that all these millions of years of development have had no purpose other than to put him on earth. There is no scientific evidence whatever to support such a view and no reason to suppose that our stay here will be any more permanent than that of the dinosaur.

You know, it is a terrible thing to appear on television, because people think that you actually know what you're talking about.

The World is full of wonders, but they become more Wonderful, not less Wonderful when Science looks at them.