The Law: The Third Commandment
Calvin's Commentaries, Vol. 4: Harmony of the Law, Part II, tr. by John King, [1847-50], at sacred-texts.com
7. Thou shalt not take the name of the LORD thy God in vain; for the LORD will not hold him guiltless that taketh his name in vain.
7. Non sumes nomen Jehovae Dei tui in vanum: quia non absolvet eum Jehova qui nomen suum sumpserit in vanum.