Hebrews 6:13

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

Luke 1:73

of the oath he swore to Abraham our father,

Hebrews 6:16-18

For as men swear by a greater than themselves, and as an oath means to them a guarantee that ends any dispute,

Treasury of Scripture Knowledge

Summary

For when God made promise to Abraham, because he could swear by no greater, he sware by himself,

General references

Bible References

He sware

Hebrews 6:16
For as men swear by a greater than themselves, and as an oath means to them a guarantee that ends any dispute,
Luke 1:73
of the oath he swore to Abraham our father,

General references

Revelation 10:6
and swore by Him who lives for ever and ever, who created the heaven and what is in it, the earth and what is in it, and the sea and what is in it, "There shall be no more delay;