In the Grand Canyon, Arizona has a natural wonder which is in kind absolutely unparalleled throughout the rest of the world. I want to ask you to keep this great wonder of nature as it now is. I hope you will not have a building of any kind, not a summer cottage, a hotel or anything else, to mar the wonderful grandeur, the sublimity, the great loneliness and beauty of the canyon. Leave it as it is. You cannot improve on it. The ages have been at work on it, and man can only mar it.
There is not one among us in whom a devil does not dwell; at some time, on some point, that devil masters each of us... It is not having been in the Dark House, but having left it, that counts.
The nation behaves well if it treats the natural resources as assets which it must turn over to the next generation increased; and not impaired in value.
Nothing could be more lonely and nothing more beautiful than the view at nightfall across the prairies to these huge hill masses, when the lengthening shadows had at last merged into one and the faint after-glow of the red sunset filled the west.
Death by violence, death by cold, death by starvation - they are the normal endings of the stately creatures of the wilderness. The sentimentalists who prattle about the peaceful life of nature do not realize its utter mercilessness.
From the greatest to the smallest, happiness and usefulness are largely found in the same soul, and the joy of life is won in its deepest and truest sense only by those who have not shirked life's burdens.
We need the iron qualities that go with true manhood. We need the positive virtues of resolution, of courage, of indomitable will, of power to do without shrinking the rough work that must always be done.
No nation can be really great unless it is great in peace, in industry, integrity, honesty. Skilled intelligence in civic affairs and industrial enterprises alike; the special ability of the artist, the man of letters, the man of science, and the man of business; the rigid determination to wrong no man, and to stand for righteousness-all these are necessary in a great nation.