Until we have the courage to recognize cruelty for what it is — whether its victim is human or animal — we cannot expect things to be much better in … - Rachel Carson

I criticize the present methods because they are based on a rather low level of scientific thinking. We are capable of much greater sophistication in our solution of the problem.

we are still in the warming-up stage following the last Pleistocene glaciation — that the world’s climate, over the next thousands of years, will grow considerably warmer before beginning a downward swing into another Ice Age. But what we are experiencing now is perhaps

Poets often have a perception that gives their words the validity of science. So the English poet Francis Thompson said nearly a century ago, ‘Thou canst not stir a flower/Without troubling of a star.’ But the poet's insight has not become part of general knowledge.