'Oath' in the Bible
“Then the Lord heard the sound of your words, and He was angry and took an oath, saying,
but because the Lord loved you and kept the oath which He swore to your forefathers, the Lord brought you out by a mighty hand and redeemed you from the house of slavery, from the hand of Pharaoh king of Egypt.
It is not for your righteousness or for the uprightness of your heart that you are going to possess their land, but it is because of the wickedness of these nations that the Lord your God is driving them out before you, in order to confirm the oath which the Lord swore to your fathers, to Abraham, Isaac and Jacob.
that you may enter into the covenant with the Lord your God, and into His oath which the Lord your God is making with you today,
“Now not with you alone am I making this covenant and this oath,