Corruptio optimi pessima—The corruption of the best is the worst. Anon.

Corruptissima in republica plurimæ leges—In a state in which corruption abounds laws are very numerous. Tac.

Cor unum, via una—One heart, one way. M.

Corvées—Forced labour, formerly exacted of the 30 peasantry in France. Fr.

Cosa ben fatta è fatta due volte—A thing well done is twice done. It. Pr.

Cosa fatta, capo ha—A thing which is done has a head, i.e., it is never done till completed. It. Pr.

Cosa mala nunca muere—A bad thing never dies. Sp. Pr.

Così fan tutti—So do they all. It.

Cos ingeniorum—A whetstone to their wit. 35

Costly thy habit as thy purse can buy, / But not expressed in fancy; rich, not gaudy; / For the apparel oft proclaims the man. Ham., i. 3.