Ruth 3:13

Tarry this night, and it shall be in the morning, that if he will perform unto thee the part of a kinsman, well; let him do the kinsman's part: but if he will not do the part of a kinsman to thee, then will I do the part of a kinsman to thee, as Jehovah liveth: lie down until the morning.

Judges 8:19

And he said, They were my brethren, the sons of my mother: as Jehovah liveth, if ye had saved them alive, I would not slay you.

Ruth 4:5

Then said Boaz, What day thou buyest the field of the hand of Naomi, thou must buy it also of Ruth the Moabitess, the wife of the dead, to raise up the name of the dead upon his inheritance.

Jeremiah 4:2

and thou shalt swear, As Jehovah liveth, in truth, in justice, and in righteousness; and the nations shall bless themselves in him, and in him shall they glory.

Deuteronomy 25:5-9

If brethren dwell together, and one of them die, and have no son, the wife of the dead shall not be married without unto a stranger: her husband's brother shall go in unto her, and take her to him to wife, and perform the duty of a husband's brother unto her.

Ruth 2:20

And Naomi said unto her daughter-in-law, Blessed be he of Jehovah, who hath not left off his kindness to the living and to the dead. And Naomi said unto her, The man is nigh of kin unto us, one of our near kinsmen.

Matthew 22:24-27

saying, Teacher, Moses said, If a man die, having no children, his brother shall marry his wife, and raise up seed unto his brother.

2 Corinthians 1:23

But I call God for a witness upon my soul, that to spare you I forbare to come unto Corinth.

Hebrews 6:16

For men swear by the greater: and in every dispute of theirs the oath is final for confirmation.

Treasury of Scripture Knowledge

Summary

Tarry this night, and it shall be in the morning, that if he will perform unto thee the part of a kinsman, well; let him do the kinsman's part: but if he will not do the part of a kinsman to thee, then will I do the part of a kinsman to thee, as the LORD liveth: lie down until the morning.

Bible References

If he will

Ruth 2:20
And Naomi said unto her daughter-in-law, Blessed be he of Jehovah, who hath not left off his kindness to the living and to the dead. And Naomi said unto her, The man is nigh of kin unto us, one of our near kinsmen.
Ruth 4:5
Then said Boaz, What day thou buyest the field of the hand of Naomi, thou must buy it also of Ruth the Moabitess, the wife of the dead, to raise up the name of the dead upon his inheritance.
Deuteronomy 25:5
If brethren dwell together, and one of them die, and have no son, the wife of the dead shall not be married without unto a stranger: her husband's brother shall go in unto her, and take her to him to wife, and perform the duty of a husband's brother unto her.
Matthew 22:24
saying, Teacher, Moses said, If a man die, having no children, his brother shall marry his wife, and raise up seed unto his brother.

The lord liveth

Judges 8:19
And he said, They were my brethren, the sons of my mother: as Jehovah liveth, if ye had saved them alive, I would not slay you.
Jeremiah 4:2
and thou shalt swear, As Jehovah liveth, in truth, in justice, and in righteousness; and the nations shall bless themselves in him, and in him shall they glory.
2 Corinthians 1:23
But I call God for a witness upon my soul, that to spare you I forbare to come unto Corinth.
Hebrews 6:16
For men swear by the greater: and in every dispute of theirs the oath is final for confirmation.

American Standard Version Public Domain