Immoral Consideration

One contrary to good morals, and therefore invalid. For example, an agreement in consideration of future illicit cohabitation between the parties (3 Burrows, 1568; 1 Esp. 13; 1 Bos. & P. 340, 341), an agreement for the value of libellous and immoral pictures (4 Esp. 97), or for printing a libel (2 Starkie, 107), or for an immoral wager (Chit. Cont. 156), cannot, therefore, be enforced. For whatever arises from an immoral or illegal consideration is void, quid turpi ex causa promissum est non valet.

Inst. 3. 20. 24.