For people swear by something greater than themselves, and in all their disputes an oath is final for confirmation.
16. For men, etc. It is an argument from the less to the greater; if credit is given to man, who is by nature false, when he swears, and for this reason, because he confirms what he says by God’s name, how much more credit is due to God, who is eternal truth, when he swears by himself?
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.
Commenting on Hebrews 6:9-20
Wherein God, willing,.... Or "wherefore", as the Syriac and Ethiopic versions render it; that is, whereas an oath is used among men to confirm anything that might be doubted; therefore God, in condescension to the weakness of men, made use of one; being very desirous and determined, more abundantly to show unto the heirs of promise the immutability of his counsel; by which is meant...