The beauty and genius of a work of art may be reconceived, though its first material expression be destroyed; a vanished harmony may yet again inspir….

A first walk in any new country is one of the things which makes life on this planet worth being grateful for..

I can only think of one experience which might exceed in interest a few hours spent under water, and that would be a journey to Mars..

When ... we realize the possibilities of deep sea life still unknown to us, every haul of the dredge should be welcomed by an expectant enthusiasm eq….

The isness of things is well worth studying; but it is their whyness that makes life worth living..

In the course of time I have learned to tramp about coral reefs, twenty to thirty feet under water, so unconcernedly that I can pay attention to part….

The marsh, to him who enters it in a receptive mood, holds, besides mosquitoes and stagnation, melody, the mystery of unknown waters, and the sweetne….

To write honestly and with conviction anything about the migration of birds, one should oneself have migrated. Somehow or other we should dehumanize ….

Butterflies doing strange things in very beautiful ways were in my mind when I sat down, but by the time my pen was uncapped my thoughts had shifted ….

... the only other place comparable to these marvelous nether regions, must surely be naked space itself, out far beyond atmosphere, between the star….

To be a Naturalist is better than to be a King..

Earth has few secrets from the birds..