Chapter 25 — Part III: The Decalogue — The Second Commandment
Section 20. Conditions Of A Lawful Oath — Although to constitute an oath it is sufficient to call God to witness, yet to constitute a holy and just oath many other conditions are required, which should be carefully explained These, as St Jerome observes, are briefly enumerated in the words of Jeremias Thou shalt swear: as the Lord liveth, in truth and in judgment and in justice, words which briefly sum up all the conditions that constitute the perfection of an oath, namely, truth, judgment, justice.