Matthew 5:33
Douay-Rheims
Again you have heard that it was said to them of old, Thou shalt not forswear thyself: but thou shalt perform thy oaths to the Lord.
Jerome
Therefore Evangelic verity does not admit an oath, since the whole discourse of the faithful is instead of an oath.
Source details
A.D. 420 · as excerpted in the Catena Aurea on Matthew 5:33-37
Imported from an open dataset — not yet checked against the printed edition.