The art of nature is all in the direction of concealment.

Look underfoot. You are always nearer to the true sources of your power than you think. The lure of the distant and the difficult is deceptive. The great opportunity is where you are. Don't despise your own place and hour. Every place is the center of the world.

The rocks are not so close akin to us as the soil; they are one more remove from us; but they lie back of all, and are the final source of all. ... Time, geologic time, looks out at us from the rocks as from no other objects in the landscape.

The place to observe nature is where you are.

The smallest deed is better than the greatest intention.

It is always easier to believe than to deny. Our minds are naturally affirmative.

Man is, and always has been, a maker of gods. It has been the most serious and significant occupation of his sojourn in the world.