Jeremiah 42:5

If thou shalt afflict my daughters, or if thou shalt take other wives beside my daughters, no man is with us; see, God is witness betwixt me and thee.

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

Yet ye say, Wherefore? Because the LORD hath been witness between thee and the wife of thy youth, against whom thou hast dealt treacherously: yet is she thy companion, and the wife of thy covenant.

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 false swearers, and against those that oppress the hireling in his...

And unto the angel of the church of the Laodiceans write; These things saith the Amen, the faithful and true witness, the beginning of the creation of God;

Hear, all ye people; hearken, O earth, and all that therein is: and let the Lord GOD be witness against you, the LORD from his holy temple.

And from Jesus Christ, who is the faithful witness, and the first begotten of the dead, and the prince of the kings of the earth. Unto him that loved us, and washed us from our sins in his own blood,

And they said unto Moses, Speak thou with us, and we will hear: but let not God speak with us, lest we die.

And he said unto them, The LORD is witness against you, and his anointed is witness this day, that ye have not found ought in my hand. And they answered, He is witness.

And though they say, The LORD liveth; surely they swear falsely.

And Jonathan said to David, Go in peace, forasmuch as we have sworn both of us in the name of the LORD, saying, The LORD be between me and thee, and between my seed and thy seed for ever. And he arose...

Thou shalt not take the name of the LORD thy God in vain; for the LORD will not hold him guiltless that taketh his name in vain.

For God is my witness, whom I serve with my spirit in the gospel of his Son, that without ceasing I make mention of you always in my prayers;