God is….Witness

I think for the most part this is a reference to God's omniscience and omnipotence.  In other words God is everywhere at all times and He sees and knows what the truth is.  God witnesses EVERYTHING!  

Genesis 31:50(NKJV)

If you afflict my daughters, or if you take other wives besides my daughters, although no man is with us—see, God is witness between you and me!”

1 Samuel 12:5(NKJV)

Then he said to them, “The Lord is witness against you, and His anointed is witness this day, that you have not found anything in my hand.” And they answered, “He is witness.”

1 Samuel 20:12(NKJV)

Then Jonathan said to David: “The Lord God of Israel is witness! When I have sounded out my father sometime tomorrow, or the third day, and indeed there is good toward David, and I do not send to you and tell you, 

Jeremiah 29:23(NKJV)

because they have done disgraceful things in Israel, have committed adultery with their neighbors’ wives, and have spoken lying words in My name, which I have not commanded them. Indeed I know, and am a witness, says the Lord.

Jeremiah 42:5(NKJV)

So they said to Jeremiah, “Let the Lord be a true and faithful witness between us, if we do not do according to everything which the Lord your God sends us by you. 

Micah 1:2(NKJV)

    Hear, all you peoples!      Listen, O earth, and all that is in it!     Let the Lord GOD be a witness against you,     The Lord from His holy temple.

Malachi 2:14(NKJV)

    Yet you say, “For what reason?”     Because the Lord has been witness     Between you and the wife of your youth,     With whom you have dealt treacherously;     Yet she is your companion     And your wife by covenant.

Malachi 3:5(NKJV)

    And I will come near you for judgment;     I will be a swift witness     Against sorcerers,     Against adulterers,     Against perjurers,     Against those who exploit wage earners and widows and orphans,     And against those who turn away an alien—     Because they do not fear Me,”     Says the Lord of hosts.

John 8:18(NKJV)

I am One who bears witness of Myself, and the Father who sent Me bears witness of Me.”

Romans 1:9-10(NKJV)

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, 

making request if, by some means, now at last I may find a way in the will of God to come to you. 

1 Thessalonians 2:5(NKJV)

For neither at any time did we use flattering words, as you know, nor a cloak for covetousness—God is witness. 

1 John 5:7(NKJV)

For there are three that bear witness in heaven: the Father, the Word, and the Holy Spirit; and these three are one.