“A sap run is the sweet goodbye of winter. It is the fruit of the equal marriage of the sun and frost.”

The spirit of man can endure only so much and when it is broken only a miracle can mend it.

To be thrilled by the stars at night; to be elated over a bird’s nest or a wildflower in spring – these are some of the rewards of the simple life.

There is a great deal of speculation in the eye of an animal, but very little science.

All the walks I want to take, all the books I want to read, and all the friends I want to see.

Most young people find botany a dull study. So it is, as taught from the text-books in the schools; but study it yourself in the fields and woods, and you will find it a source of perennial delight.

You are always nearer the divine and the true sources of your power than you think.

In winter, the stars seem to have rekindled their fires, the moon achieves a fuller triumph, and the heavens wear a look of a more exalted simplicity.

We talk of communing with Nature, but ’tis with ourselves we commune.

Like tens of thousands of others, I have been a spectator of, rather than a participator in, the activities – political, commercial, sociological, scientific – of the times in which I have lived.

Nothing. The Infinite knows no time, no space, no great, no small, no beginning, no end.

If we take science as our sole guide, if we accept and hold fast that alone which is verifiable, the old theology must go.

Whitman will always be a strange and unwonted figure among his country’s poets, and among English poets generally: a cropping out again, after so many centuries, of the old bardic prophetic strain.

The naturist must see all things in the light of his experiences in this world.

Summer is more wooing and seductive, more versatile and human, appeals to the affections and the sentiments, and fosters inquiry and the art impulse.

The love of nature is a different thing from the love of science, though the two may go together.

Father knew me not. All my aspirations in life were a sealed book to him, as much as his peculiar religious experiences were to me.