Hebrews 6:13

English Standard Version

13 For when God made a promise to Abraham, since he had no one greater by whom to swear, he swore by himself, (Ge 22:16)

New International Version

13 When God made his promise to Abraham, since there was no-one greater for him to swear by, he swore by himself,

New International Reader’s Version

13 When God made his promise to Abraham, God gave his word. There was no one greater than himself to promise by. So he promised by making an appeal to himself.

King James Version

13 For when God made promise to Abraham, because he could swear by no greater, he sware by himself,