Judges 11:10

And the elders of Gilead said to Jephthah, "The LORD will be witness between us; we will surely do as you say."

Jeremiah 42:5

And they said to Jeremiah, Jehovah be a true and faithful witness amongst us, if we do not even according to all the word for which Jehovah thy God shall send thee to us.

Genesis 31:50

if thou shouldest afflict my daughters, or if thou shouldest take wives besides my daughters, no man is with us; see, God is witness between me and thee!

Jeremiah 29:23

because they have committed infamy in Israel, and have committed adultery with their neighbours' wives, and have spoken words of falsehood in my name, which I had not commanded them: and I am he that knoweth, and am witness, saith Jehovah.

Genesis 16:5

And Sarai said to Abram, My wrong be on thee! I have given my maidservant into thy bosom; and now she sees that she has conceived, I am lightly esteemed in her eyes. Jehovah judge between me and thee!

Genesis 21:23

And now swear to me here by God that thou wilt not deal deceitfully with me, nor with my son, nor with my grandson. According to the kindness that I have done to thee, thou shalt do to me, and to the land in which thou sojournest.

Genesis 31:53

The God of Abraham, and the God of Nahor, the God of their father, judge between us! And Jacob swore by the fear of his father Isaac.

Exodus 20:7

Thou shalt not idly utter the name of Jehovah thy God; for Jehovah will not hold him guiltless that idly uttereth his name.

Deuteronomy 1:16

And I commanded your judges at that time, saying, Hear the causes between your brethren, and judge righteously between a man and his brother, and him also that sojourneth with him.

1 Samuel 12:5

And he said to them, Jehovah is witness against you, and his anointed is witness this day, that ye have not found aught in my hand! And the people said, He is witness!

1 Samuel 24:12

Jehovah judge between me and thee, and Jehovah avenge me of thee; but my hand shall not be upon thee.

Zechariah 5:4

I will cause it to go forth, saith Jehovah of hosts, and it shall enter into the house of the thief, and into the house of him that sweareth falsely by my name; and it shall lodge in the midst of his house, and shall consume it with the timber thereof and the stones thereof.

Malachi 3:5

And I will come near to you to judgment; and I will be a swift witness against the sorcerers, and against the adulterers, and against the false swearers, and against those that oppress the hired servant in his wages, the widow and the fatherless, and that turn aside the stranger from his right, and fear not me, saith Jehovah of hosts.

Romans 1:9

For God is my witness, whom I serve in my spirit in the glad tidings of his Son, how unceasingly I make mention of you,

2 Corinthians 11:31

The God and Father of the Lord Jesus knows he who is blessed for ever that I do not lie.

Treasury of Scripture Knowledge

Summary

And the elders of Gilead said unto Jephthah, The LORD be witness between us, if we do not so according to thy words.

Bible References

Be witness

Genesis 16:5
And Sarai said to Abram, My wrong be on thee! I have given my maidservant into thy bosom; and now she sees that she has conceived, I am lightly esteemed in her eyes. Jehovah judge between me and thee!
Genesis 31:53
The God of Abraham, and the God of Nahor, the God of their father, judge between us! And Jacob swore by the fear of his father Isaac.
Deuteronomy 1:16
And I commanded your judges at that time, saying, Hear the causes between your brethren, and judge righteously between a man and his brother, and him also that sojourneth with him.
1 Samuel 24:12
Jehovah judge between me and thee, and Jehovah avenge me of thee; but my hand shall not be upon thee.

If we do

Exodus 20:7
Thou shalt not idly utter the name of Jehovah thy God; for Jehovah will not hold him guiltless that idly uttereth his name.
Zechariah 5:4
I will cause it to go forth, saith Jehovah of hosts, and it shall enter into the house of the thief, and into the house of him that sweareth falsely by my name; and it shall lodge in the midst of his house, and shall consume it with the timber thereof and the stones thereof.
Malachi 3:5
And I will come near to you to judgment; and I will be a swift witness against the sorcerers, and against the adulterers, and against the false swearers, and against those that oppress the hired servant in his wages, the widow and the fatherless, and that turn aside the stranger from his right, and fear not me, saith Jehovah of hosts.