'Sworn' in the Bible

He who has clean hands and a pure heart; who has not lifted up his soul to falsehood, and has not sworn deceitfully.

"I have made a covenant with my chosen one, I have sworn to David, my servant,

Once have I sworn by my holiness, I will not lie to David.

Yahweh has sworn, and will not change his mind: "You are a priest forever in the order of Melchizedek."

I have sworn, and have confirmed it, that I will obey your righteous ordinances.

Yahweh has sworn to David in truth. He will not turn from it: "I will set the fruit of your body on your throne.