Over increasingly large areas of the United States, spring now comes unheralded by the return of the birds, and the early mornings are strangely silent where once they were filled with the beauty of bird song.
I believe natural beauty has a necessary place in the spiritual development of any individual or any society. I believe that whenever we substitute something man-made and artificial for a natural feature of the earth, we have retarded some part of man's spiritual growth.
Even in the vast and mysterious reaches of the sea we are brought back to the fundamental truth that nothing lives to itself.
The aim of science is to discover and illuminate truth. And that, I take it, is the aim of literature, whether biography or history or fiction. It seems to me, then, that there can be no separate literature of science.
There is one quality that characterizes all of us who deal with the sciences of the earth and its life - we are never bored.
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