Quae praeter consuetudinem et morem majorum fiunt

Quae praeter consuetudinem et morem majorum fiunt, neque placent, necque recta videntur. What is done contrary to the custom of our ancestors, neither pleases nor appears right. 4 Co. 78.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.