Hebrews 6:13

When God gave his promise to Abraham, since there was no one greater by whom he could swear, he swore by himself.

Treasury of Scripture Knowledge

Summary

The LORD of hosts hath sworn by himself, saying, Surely I will fill thee with men, as with caterpillers; and they shall lift up a shout against thee.

Sworn

Bible References

Sworn

Hebrews 6:13
When God gave his promise to Abraham, since there was no one greater by whom he could swear, he swore by himself.