The most serious charge which can be brought against New England is not Puritanism, but February.... Spring is too far away to comfort even by anticipation, and winter long ago lost the charm of novelty. This is the very three a.m. of the calendar.

And the thing which is missing is love, some feeling for, as well as some understanding of, the inclusive community of rocks and soils, plants and animals, of which we are a part.

If only the fit survive and if the fitter they are the longer they survive, then Volvox must have demonstrated its superb fitness more conclusively than any higher animal ever has.

The snow itself is lonely or, if you prefer, self-sufficient. There is no other time when the whole world seems composed of one thing and one thing only.

The famous balance of nature is the most extraordinary of all cybernetic systems. Left to itself, it is always self-regulated.

A humanist is anyone who rejects the attempt to describe or account for man wholly on the basis of physics, chemistry or animal behaviour.

Love is ...not a fact in nature of which we become aware, but rather a creation of the human imagination.