Campaign remark, Fresno, Cal., 10 Sept. 1952. John F. Parker, in "If Elected, I Promise ...": Stories and Gems of Wisdom by and About Politicians (1969), attributes the reverse statement to Chauncey Depew (1834 - 1928): "If you will refrain from telling any lies about the Republican party, I'll promise not to tell the truth about the Democrats."
Said in 1983. "The Pacific Rim and the Western World: Strategic, Economic, and Cultural Perspectives". Book edited by Philip West, Frans A.M. Alting von Geusau, p. 105, 1987.