No great intellectual thing was ever done by great effort.

Much has been given us, and much will rightfully be expected from us. We have duties to others and duties to ourselves; and we can shirk neither. We have become a great nation, forced by the fact of its greatness into relations with other nations of the earth, and we must behave as beseems a people with such responsibilities.

I do not dislike but I certainly have no especial respect or admiration for and no trust in, the typical big moneyed men of my country. I do not regard them as furnishing sound opinion as respects either foreign or domestic business.

The eighth commandment reads, "Thou shalt not steal." It does not read, "Thou shalt not steal from the rich man." It does not read, "Thou shalt not steal from the poor man." It reads simply and plainly, "Thou shalt not steal."

The lack of power to take joy in outdoor nature is as real a misfortune as the lack of power to take joy in books

Never throughout history has a man who lived a life of ease left a name worth remembering.

There are no words that can tell the hidden spirit of the wilderness, that can reveal its mystery, its melancholy and its charm.