William Barclay's Daily Study Bible - Hebrews 6:13-20
6:13-20 When God made his promise to Abraham, since he was not able to swear by anyone greater, he swore by himself. "Certainly," he said, "I will bless you and I will multiply you." When Abraham had thus exercised patience he received the promise. Men swear by someone who is greater than themselves; and an oath serves for a guarantee beyond all possibility of contradiction. But on this occasion God, in his quite exceptional desire to make clear to the heirs of the promise the unalterable... read more
Matthew Henry's Complete Commentary - Hebrews 6:9-20
The apostle, having applied himself to the fears of the Hebrews, in order to excite their diligence and prevent their apostasy, now proceeds to apply himself to their hopes, and candidly declares the good hope he had concerning them, that they would persevere; and proposes to them the great encouragements they had in the way of their duty. I. He freely and openly declares the good hope he had concerning them, that they would endure to the end: But beloved, we are persuaded better things of... read more