John Calvin's Commentary on the Bible - Matthew 5:33
Verse 33 33.Thou shalt not perjure thyself This also is not a correction of the law, but a true interpretation of it. For God condemned in the law not only acts of perjury, but lightness in swearing, which lessens the reverence for his name. The man who perjures himself is not the only person who takes the name of God in vain, (Exodus 20:7.) He does so, who idly and contemptuously pronounces the name of God on trivial occasions, or in ordinary conversation. While the law condemns every kind of... read more
Adam Clarke's Commentary on the Bible - Matthew 5:37
Let your communication be, Yea, yea; Nay, nay - That is, a positive affirmation, or negation, according to your knowledge of the matter concerning which you are called to testify. Do not equivocate; mean what you assert, and adhere to your assertion. Hear what a heathen says on this subject: - Εχθρος γαρ μοι κεινος ὁμως αιδαο πυλησιν , Ος χ ' ετερον μεν κευθει ενι φρεσιν, αλλο δε βαζει . Hom. Il. ix. 312 read more