Matthew 5:33

Again, you have heard that it was said to the ancients, ‘Do not break your oath, but fulfill your vows to the Lord.’

Note Numbers 30:2

BSB · Berean Standard Bible

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:

KJV · King James Version

“Again you have heard that it was said to the ancient ones, ‘You shall not make false vows, but shall perform to the Lord your vows,’

WEB · World English Bible

Again, ye have heard that it was said to them of old time, Thou shalt not forswear thyself, but shalt perform unto the Lord thine oaths:

ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

it hath: Matthew 23:16
Thou: Exodus 20:7; Leviticus 19:12; Numbers 30:2–16; Deuteronomy 5:11; Deuteronomy 23:23; Psalm 50:14; Psalm 76:11; Ecclesiastes 5:4–6; Nahum 1:15