Hebrews 6:13

For when God gave the promise to Abraham, since He had no one greater to swear by, 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
For when God gave the promise to Abraham, since He had no one greater to swear by, He swore by Himself,