Hebrews 6:13

6:13 Now when God made his promise to Abraham, since he could swear by no one greater, he swore by himself,

Hebrews 3:11

3:11 “As I swore in my anger, ‘They will never enter my rest!’”

Hebrews 3:18

3:18 And to whom did he swear they would never enter into his rest, except those who were disobedient?

Hebrews 6:16

6:16 For people swear by something greater than themselves, and the oath serves as a confirmation to end all dispute.

Hebrews 7:21

7:21 but Jesus did so with a sworn affirmation by the one who said to him, “The Lord has sworn and will not change his mind, ‘You are a priest forever’” –

Hebrews 4:3

4:3 For we who have believed enter that rest, as he has said, “As I swore in my anger, ‘They will never enter my rest!’” And yet God’s works were accomplished from the foundation of the world.