Any fool can destroy trees, they cannot run away.

One may as well dam for water tanks the people's cathedrals and churches, for no holier temple has ever been consecrated by the heart of man.

But to gain a perfect view, one must go yet further, over a curving brow to a slight shelf on the extreme brink.

The most distinctive, and perhaps the most impressive, characteristic of American scenery is its wilderness.

...therefore all childish fear must be put away.

The sun shines not on us but in us.

The world is big and I want to have a good look at it before it gets dark.