“Wherein God, willing more abundantly to shew unto the heirs of promise the immutability of his counsel, confirmed it by an oath:”
King James Version (KJV)
6:17 God interposed by an oath - Amazing condescension! He who is greatest of all acts as if he were a middle person; as if while he swears, he were less than himself, by whom he swears! Thou that hearest the promise, dost thou not yet believe?
Heb 6:17 Wherein God . . . confirmed [it] by the an oath. God, out of condescension to that human weakness which puts more confidence in an oath than in the bare word, confirmed his promise by an oath.