We have become great because of the lavish use of our resources ... But the time has come to inquire seriously what will happen when our forests are gone, when the coal, the iron, the oil and the gas are exhausted.

A good shot must necessarily be a good man since the essence of good marksmanship is self-control and self-control is the essential quality of a good man.

The mass of the American people are most emphatically not in the deplorable condition of which you speak.

To have acted otherwise ... would have been the betrayal of the interests of the United States.

Our surest protection against assault from abroad has been not all our guards, gates and guns, or even our two oceans, but our essential goodness as a people. Our richest asset has been not our material wealth but our values.

It is of little use for us to pay lip-loyalty to the mighty men of the past unless we sincerely endeavor to apply to the problems of the present precisely the qualities which in other crises enabled the men of that day to meet those crises.

There is a delight in the hardy life of the open. There are no words that can tell the hidden spirit of the wilderness, that can reveal its mystery, its melancholy and its charm. 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. Conservation means development as much as it does protection.