One learns that the world, though made, is yet being made; that this is still the morning of creation; that mountains long conceived are now being born, channels traced for coming rivers, basins hollowed for lakes.

Between every two pines is a doorway to a new world.

When one tugs at a single thing in nature, he finds it attached to the rest of the world.

Take a course in good water and air; and in the eternal youth of Nature you may renew your own. Go quietly, alone; no harm will befall you.

I only went out for a walk and finally concluded to stay out till sundown, for going out, I found, was really going in.

We all travel the Milky Way together, trees and men.

I never saw a discontented tree. They grip the ground as though they liked it, and though fast rooted they travel about as far as we do.