Every Man owes some of his time to the upbuilding of the profession to which he belongs.

Far and away the best prize that life has to offer is the chance to work hard at work worth doing.

I would a great deal rather be anything, say professor of history, than vice president.

Courtesy is as much a mark of a gentleman as courage.

Of all the questions which can come before this nation, short of the actual preservation of its existence in a great war, there is none which compares in importance with the great central task of leaving this land even a better land for our descendants than it is for us.

wild flowers should be enjoyed unplucked where they grow.

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