Whatever the number of a man's friends, there will be times in his life when he has one too few; but if he has only one enemy, he is lucky indeed if he has not one too many.
"Hoyt's New Cyclopedia Of Practical Quotations" by Jehiel Keeler Hoyt, p. 221-22, "What Will He Do With It?" (1858), Book IX, Chapter III. Introduction, 1922.