NET
33 “Again, you have heard that it was said to an older generation, ‘Do not break an oath, but fulfill your vows to the Lord.’
Darby
33 Again, ye have heard that it has been said to the ancients, Thou shalt not forswear thyself, but shalt render to the Lord what thou hast sworn.
KJV
33 “Again, ye have heard that it hath been said by them of old time, Thou shalt not forswear thyself, but shalt perform unto the Lord thine oaths:”