BLB(i)
16 For men swear by one greater, and an end of all their disputes, for confirmation, is the oath,
17 in which God, desiring to show more abundantly the unchangeableness of His purpose to the heirs of the promise, guaranteed it by an oath,
18 so that by two unchangeable things, in which it is impossible for God to lie, we may have strong encouragement, having fled for refuge, to take hold of the hope being set before us,