Hebrews 6:16
For men indeed swear by something greater than themselves; and an oath for confirmation is with them conclusive in all disputes.
Matthew 23:20-22
Whosoever therefore sweareth by the altar, sweareth by it, and by all things that are upon it.
Hebrews 6:13
For God when he gave the promise to Abraham forasmuch as he had nothing greater to swear by, sware by himself,
Treasury of Scripture Knowledge
Summary
For men verily swear by the greater: and an oath for confirmation is to them an end of all strife.
General references
Bible References
General references
Luke 1:73
the oath which he sware to Abraham our father,