Wikiquote records this as a sourced quotation of Theodore Roosevelt. Its sourcing note: Letter to S. Stanwood Menken, chairman, committee on Congress of Constructive Patriotism (January 10, 1917). Roosevelt's sister, Mrs. Douglas Robinson, read the letter to a national meeting, January 26, 1917. Reported in "Proceedings of the Congress of Constructive Patriotism, Washington, D.C., January 25–27, 1917" (1917), p. 172