Is it ensure, insure, or assure?
1837, Latinization of Chinese K'ung Fu-tzu "K'ung the philosopher (or Master)" (c.551 B.C.E.-c.479 B.C.E.). The name first appears in a Latin publication of Chinese works (Paris, 1687). Connection with the martial arts kung-fu is obscure, uncertain. His philosophy based on the Golden Rule: "What you do not like when done to yourself do not do to others." Related: Confucian (adj., 1837); Confucianism (1846).