Hebrews 6:16

For it is a custom among men to take oath by something greater than themselves, and an oath taken for confirmation settles any dispute among them.

Matthew 23:20-22

So whoever swears by the altar swears by everything on it;

Hebrews 6:13

For when God made His promise to Abraham, He took an oath by Himself, since He had no one greater by whom He could take it,

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 swore to our forefather Abraham,