For us is the life of action, of strenuous performance of duty; let us live in the harness, striving mightily; let us rather run the risk of wearing out than rusting out.

It is a wicked thing to be neutral between right and wrong.

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.

Our duty to the whole, including the unborn generations, bids us to restrain an unprincipled present-day minority from wasting the heritage of these unborn generations. The movement for the conservation of wildlife and the larger movement for the conservation of all our natural resources are essentially democratic in spirit, purpose, and method.

The White House is a bully pulpit.

The most successful politician is he who says what the people are thinking most often in the loudest voice.

A thorough knowledge of the Bible is worth more than a college education.