Margaret Fuller (1846). “Papers on Literature and Art: A short essay on critics. A dialogue. The two Herberts. The prose works of Milton. The life of Sir James Mackintosh. Modern British poets. The modern drama. Dialogue, containing sundry glosses on poetic texts”, p.5
Address at the Sorbonne, Paris, 23 Apr. 1910. Richard M. Nixon quoted this passage in his address to the nation announcing his decision to resign the presidency, 8 Aug. 1974. See Theodore Roosevelt 1; Theodore Roosevelt 2; Theodore Roosevelt 5