Hebrews 6:13

James Moffatt - New Testament

For in making a promise to Abraham God swore by himself (since he could swear by none greater),

Cross References

Luke 1:73

of the oath he swore to Abraham our father,

Galatians 3:15

To take an illustration from human life, my brothers. Once a man's will is ratified, no one else annuls it or adds a codicil to it.

Galatians 3:18

If the Inheritance is due to law, it ceases to be due to promise. Now it was by a promise that God bestowed it on Abraham.