New Revised Standard Version
Or when any of you utter aloud a rash oath for a bad or a good purpose, whatever people utter in an oath, and are unaware of it, when you come to know it, you shall in any of these be guilty.

Contemporary English Version
You are guilty the moment you realize that you have made a hasty promise to do something good or bad.

New American Bible
or if someone, without being aware of it, rashly utters an oath with bad or good intent, whatever kind of oath this may be, and then subsequently becomes aware of guilt in regard to any of these matters—

Douay-Rheims Bible
The person that sweareth, and uttereth with his lips, that he would do either evil or good, and bindeth the same with an oath, and his word: and having forgotten it afterwards understandeth his offence,

The person that sweareth, and uttereth with his lips, that he would do either evil or good, and bindeth the same with an oath, and his word: and having forgotten it afterwards understandeth his offence,

if a soul.

to do evil

Leviticus 27:2 Speak to the children of Israel, and thou shalt say to them: The man that shall have made a vow, and promised his soul to God, shall give the price according to estimation.

Joshua 2:14 They answered her: Be our lives for you unto death, only if thou betray us not. And when the Lord shall have delivered us the land, we will shew thee mercy and truth.

Joshua 9:15 And Joshua made peace with them, and entering into a league, promised that they should not be slain: the princes also of the multitude swore to them.

Judges 9:19 If therefore you have dealt well, and without fault, with Jerobaal and his house, rejoice ye, this day, in Abimelech, and may he rejoice in you.

Judges 11:31 Whosoever shall first come forth out of the doors of my house, and shall meet me, when I return in peace from the children of Ammon, the same will I offer a holocaust to the Lord.

Judges 21:7,18 Whence shall they take wives? For we have all in general sworn, not to give our daughters to them. . . .

1 Samuel 1:11 And she made a vow, saying: O Lord of hosts, if thou wilt look down, and wilt be mindful of me, and not forget thy handmaid, and wilt give to thy servant a manchild: I will give him to the Lord all the days of his life, and no razor shall come upon his head.

1 Samuel 14:24-28 And the men of Israel were joined together that day: and Saul adjured the people, saying: Cursed be the man that shall eat food till evening, till I be revenged of my enemies. So none of the people tasted any food. . . .

1 Samuel 24:21,22 Swear to me by the Lord, that thou wilt not destroy my seed after me, nor take away my name from the house of my father. . . .

1 Samuel 25:22 May God do so and so, and add more to the foes of David, if I leave of all that belong to him till the morning, any that pisseth against the wall.

2 Samuel 21:7 And the king spared Miphiboseth the son of Jonathan the son of Saul, because of the oath of the Lord, that had been between David and Jonathan the son of Saul.

2 Kings 6:31 And the king said: May God do so and so to me, and may he add more, if the head of Eliseus, the son of Saphat, shall stand on him this day.

Psalm 132:2-5 How he swore to the Lord, he vowed a vow to the God of Jacob: . . .

Ecclesiastes 5:2-6 Speak not any thing rashly, and let not thy heart be hasty to utter a word before God. For God is in heaven, and thou upon earth: therefore let thy words be few. . . .

Ezekiel 17:18,19 For he had despised the oath, breaking his covenant, and behold he hath given his hand: and having done all these things, he shall not escape. . . .

Matthew 14:7,9 Whereupon he promised with an oath, to give her whatsoever she would ask of him. . . .

Mark 6:23 And he swore to her: Whatsoever thou shalt ask I will give thee, though it be the half of my kingdom.

Acts 23:12 And when day was come, some of the Jews gathered together and bound themselves under a curse, saying that they would neither eat nor drink till they killed Paul.