People who have tried it, tell me that a clear conscience makes you very happy and contented but a full stomach does the business quite as well, and is cheaper, and more easily obtained. – Jerome K. Jerome

Commerce, n. A kind of transaction in which A plunders from B the goods of C, and for compensation B picks the pocket of D of money belonging to E. – Ambrose Bierce, The Cynic’s World Book, 1906

You cannot run a business, or anything else, on a theory. – Harold S. Geneen