The custom of all England is the common law of all England.
Consuetudo volentes ducit, lex volentes trahit.
Custom guides those who are willing: law draws those who are willing. [See [Transcriber’s Note].]
Contemporanea expositio est optima, et fortissima in lege.
The exposition of contemporaries is the best, and the strongest in law.
Contra bonos mores.
Against good morals.
Contra jus civilis regulas pacta conventa, rata non habentur.
Agreements made contrary to the civil law, are not considered valid.
Contra legem facit, qui id facit, quod lex prohibet; in fraudem vero, qui salvis verbis legis, sententiam ejus circumvenit.