Ruth 3:13

Take your rest here tonight; and in the morning, if he will do for you what it is right for a relation to do, very well, let him do so: but if he will not, then by the living Lord I myself will do so.

Judges 8:19

And he said, They were my brothers, my mother's sons: by the life of the Lord, if you had kept them safe, I would not put you to death.

Ruth 4:5

Then Boaz said, On the day when you take this field, you will have to take with it Ruth, the Moabitess, the wife of the dead, so that you may keep the name of the dead living in his heritage.

Jeremiah 4:2

And you will take your oath, By the living Lord, in good faith and wisdom and righteousness; and the nations will make use of you as a blessing, and in you will they take a pride.

Deuteronomy 25:5-9

If brothers are living together and one of them, at his death, has no son, the wife of the dead man is not to be married outside the family to another man: let her husband's brother go in to her and make her his wife, doing as it is right for a brother-in-law to do.

Ruth 2:20

And Naomi said to her daughter-in-law, May the blessing of the Lord, who has at all times been kind to the living and to the dead, be on him. And Naomi said to her, The man is of our family, one of our near relations.

Matthew 22:24-27

Master, Moses said, If a man, at the time of his death, has no children, let his brother take his wife, and get a family for his brother;

2 Corinthians 1:23

But God is my witness that it was in pity for you that I did not come to Corinth at that time.

Hebrews 6:16

For men at all times make their oaths by what is greater; and any argument is ended by the decision of the oath.

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 to her daughter-in-law, May the blessing of the Lord, who has at all times been kind to the living and to the dead, be on him. And Naomi said to her, The man is of our family, one of our near relations.
Ruth 4:5
Then Boaz said, On the day when you take this field, you will have to take with it Ruth, the Moabitess, the wife of the dead, so that you may keep the name of the dead living in his heritage.
Deuteronomy 25:5
If brothers are living together and one of them, at his death, has no son, the wife of the dead man is not to be married outside the family to another man: let her husband's brother go in to her and make her his wife, doing as it is right for a brother-in-law to do.
Matthew 22:24
Master, Moses said, If a man, at the time of his death, has no children, let his brother take his wife, and get a family for his brother;

The lord liveth

Judges 8:19
And he said, They were my brothers, my mother's sons: by the life of the Lord, if you had kept them safe, I would not put you to death.
Jeremiah 4:2
And you will take your oath, By the living Lord, in good faith and wisdom and righteousness; and the nations will make use of you as a blessing, and in you will they take a pride.
2 Corinthians 1:23
But God is my witness that it was in pity for you that I did not come to Corinth at that time.
Hebrews 6:16
For men at all times make their oaths by what is greater; and any argument is ended by the decision of the oath.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain