Numbers 30:2 New World Translation of the Holy Scriptures—With References 2 In case a man makes a vow+ to Jehovah or swears an oath+ to bind a vow of abstinence+ upon his soul, he must not violate his word.+ According to all that has gone out of his mouth he should do.+ Matthew 5:33 New World Translation of the Holy Scriptures—With References 33 “Again YOU heard that it was said to those of ancient times, ‘You must not swear+ without performing, but you must pay your vows to Jehovah.’*+
2 In case a man makes a vow+ to Jehovah or swears an oath+ to bind a vow of abstinence+ upon his soul, he must not violate his word.+ According to all that has gone out of his mouth he should do.+
33 “Again YOU heard that it was said to those of ancient times, ‘You must not swear+ without performing, but you must pay your vows to Jehovah.’*+