an oath of the Lord
Leviticus 5:1
And if a soul sin, and hear the voice of swearing, and is a witness, whether he hath seen or known of it; if he do not utter it, then he shall bear his iniquity.
Leviticus 6:3
Or have found that which was lost, and lieth concerning it, and sweareth falsely; in any of all these that a man doeth, sinning therein:
1 Kings 2:42
And the king sent and called for Shimei, and said unto him, Did I not make thee to swear by the LORD, and protested unto thee, saying, Know for a certain, on the day thou goest out, and walkest abroad any whither, that thou shalt surely die? and thou saidst unto me, The word that I have heard is good.
1 Kings 2:43
Why then hast thou not kept the oath of the LORD, and the commandment that I have charged thee with?
Proverbs 30:9
Lest I be full, and deny thee, and say, Who is the LORD? or lest I be poor, and steal, and take the name of my God in vain.
Hebrews 6:16
For men verily swear by the greater: and an oath for confirmation is to them an end of all strife.
that he hath not
Exodus 22:8
If the thief be not found, then the master of the house shall be brought unto the judges, to see whether he have put his hand unto his neighbour's goods.
Exodus 23:1
Thou shalt not raise a false report: put not thine hand with the wicked to be an unrighteous witness.