Hebrews 6:12, 15, 17
Hebrews 6:12 NASB1995
so that you will not be sluggish, but imitators of those who through faith and patience inherit the promises.
Hebrews 6:17 NASB1995
In the same way God, desiring even more to show to the heirs of the promise the unchangeableness of His purpose, interposed with an oath