Only those are fit to live who do not fear to die; and none are fit to die who have shrunk from the joy of life and the duty of life. Both life and death are parts of the same Great Adventure.

The Great Adventure (vol. 19 of The Works of Theodore Roosevelt, national ed.), chapter 1, opening sentences, p. 243 (1926). Douglas MacArthur, speech, July 14, 1935, at the annual reunion of veterans of the Rainbow (42d) Infantry Division, World War I, said, "Only those are fit to live who are not afraid to die."—A Soldier Speaks: Public Papers and Speeches of General of the Army Douglas MacArthur, p. 70 (1965).