Hebrews 6
12 Ref that you won't be sluggish, but imitators of those who through faith and patience inherited the promises.
13 Ref For when God made a promise to Abraham, since he could swear by none greater, he swore by himself,
14 Ref saying, "Most surely I will bless you, and I will surely multiply you."
15 Ref Thus, having patiently endured, he obtained the promise.
16 Ref For men indeed swear by a greater one, and in every dispute of theirs the oath is final for confirmation.
17 Ref In this way God, being determined to show more abundantly to the heirs of the promise the immutability of his counsel, interposed with an oath;
18 Ref that by two immutable things, in which it is impossible for God to lie, we may have a strong encouragement, who have fled for refuge to take hold of the hope set before us.
19 Ref This hope we have as an anchor of the soul, a hope both sure and steadfast and entering into that which is within the veil;