1 Samuel 20:3

But David sware yet further, and said - Thy father, doth know, that I have found favour in thine eyes, therefore saith he, - Do not let Jonathan know this, lest he grieve; but, indeed, by the life of Yahweh, and by the life of thine own soul, surely there is but as it were a step betwixt me and death!

Deuteronomy 6:13

Yahweh thy God, shalt thou revere And him, shalt thou serve, - And by his name, shalt thou swear.

1 Samuel 25:26

Now, therefore, my lord - By the life of Yahweh, and by the life of thine own soul, - seeing Yahweh hath withholden thee from coming in with bloodshed, and from saving thyself, with thine own hand, now, therefore, like Nabal, be thine enemies, and they who are making search for my lord, wrongfully.

1 Samuel 27:1

And David said, unto his own heart, Now, shall I be swept off, in a single day, by the hand of Saul, - there is nothing for me better than that I, escape, into the land of the Philistines, so shall Saul give up seeking for me any more, in any of the bounds of Israel, so shall I escape out of his hand.

2 Kings 2:6

And Elijah said to him - Tarry here, I pray thee, for, Yahweh, hath sent me to the Jordan. And he said - By the life of Yahweh and by the life of thine own soul, I will not leave thee. So they two, went on.

1 Samuel 1:26

And she said - Pardon, my lord! By the life of thy soul, my lord, - I, am the woman who was standing near thee here, praying unto Yahweh:

2 Kings 2:2

Then said Elijah unto Elisha - Tarry here, I pray thee, for, Yahweh, hath sent me as far as Bethel. And Elisha said, By the life of Yahweh and by the life of thine own soul, I will not leave thee. So they went down to Bethel.

2 Kings 2:4

Then Elijah said to him - Elisha, I pray thee, tarry here, for, Yahweh, hath sent me to Jericho. And he said - By the life of Yahweh and by the life of thine own soul, I will not leave thee. So they came to Jericho.

Deuteronomy 28:66

And thy life will be hung up for thee in front, - and thou wilt be in dread by night and by day, and wilt not trust in thy life.

1 Samuel 17:55

And, when Saul saw David going forth to meet the Philistine, he said unto Abner, prince of the host, Whose son is the young man, Abner? And Abner said, By the life of thy soul, O king! I know not.

2 Samuel 15:21

But Ittai answered the king, and said, - By the life of Yahweh, and by the life of my lord the king, surely, in whatsoever place, my lord the king, may be, whether for death or for life, there will, thy servant, be.

Psalm 116:3

The meshes of death encompassed me, and the distresses of hades, came upon me, Peril and sorrow, I found;

Jeremiah 4:2

If thou wilt swear, By the life of Yahweh! in faithfulness in justice and in righteousness, Then shall the nations bless themselves in him, And, in him, shall they glory.

Jeremiah 38:16

So King Zedekiah aware unto Jeremiah secretly saying, - By the life of Yahweh who made for us, this soul, I will in no wise put thee to death, Neither will I deliver thee into the hand of these men who are seeking thy life.

1 Corinthians 15:30-31

Why also are, we, running into peril every hour?

2 Corinthians 1:9-10

But, we ourselves, within ourselves, have had the sentence of death, that we might not rest our confidence upon ourselves, but upon God, who raiseth the dead,

Hebrews 6:16

For, men, by the greater one, swear, and, with them, an end of all gainsaying by way of confirmation is, the oath:

Treasury of Scripture Knowledge

Summary

And David sware moreover, and said, Thy father certainly knoweth that I have found grace in thine eyes; and he saith, Let not Jonathan know this, lest he be grieved: but truly as the LORD liveth, and as thy soul liveth, there is but a step between me and death.

General references

Bible References

But truly

1 Samuel 25:26
Now, therefore, my lord - By the life of Yahweh, and by the life of thine own soul, - seeing Yahweh hath withholden thee from coming in with bloodshed, and from saving thyself, with thine own hand, now, therefore, like Nabal, be thine enemies, and they who are making search for my lord, wrongfully.
1 Samuel 27:1
And David said, unto his own heart, Now, shall I be swept off, in a single day, by the hand of Saul, - there is nothing for me better than that I, escape, into the land of the Philistines, so shall Saul give up seeking for me any more, in any of the bounds of Israel, so shall I escape out of his hand.
2 Samuel 15:21
But Ittai answered the king, and said, - By the life of Yahweh, and by the life of my lord the king, surely, in whatsoever place, my lord the king, may be, whether for death or for life, there will, thy servant, be.
2 Kings 2:2
Then said Elijah unto Elisha - Tarry here, I pray thee, for, Yahweh, hath sent me as far as Bethel. And Elisha said, By the life of Yahweh and by the life of thine own soul, I will not leave thee. So they went down to Bethel.

But a step

1 Samuel 27:1
And David said, unto his own heart, Now, shall I be swept off, in a single day, by the hand of Saul, - there is nothing for me better than that I, escape, into the land of the Philistines, so shall Saul give up seeking for me any more, in any of the bounds of Israel, so shall I escape out of his hand.
Deuteronomy 28:66
And thy life will be hung up for thee in front, - and thou wilt be in dread by night and by day, and wilt not trust in thy life.
Psalm 116:3
The meshes of death encompassed me, and the distresses of hades, came upon me, Peril and sorrow, I found;
1 Corinthians 15:30
Why also are, we, running into peril every hour?
2 Corinthians 1:9
But, we ourselves, within ourselves, have had the sentence of death, that we might not rest our confidence upon ourselves, but upon God, who raiseth the dead,

General references

Psalm 118:13
Thou didst, thrust sore, at me that I might fall, But, Yahweh, hath helped me.