Courage, hard work, self-mastery, and intelligent effort are all essential to successful life.


Theodore Roosevelt's America: Selections from the Writings of the Oyster Bay Naturalist (ed. 1955)

Theodore Roosevelt Quotes

Courage, hard work, self-mastery, and intelligent effort are all essential to successful life.

Courage, hard work, self-mastery, and intelligent effort are all essential to successful life.

Courage, hard work, self-mastery, and intelligent effort are all essential to successful life.

Courage, hard work, self-mastery, and intelligent effort are all essential to successful life.