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.

Hebrews 7:20

7:20 And since this was not done without a sworn affirmation – for the others have become priests without a sworn affirmation,

Hebrews 9:27

9:27 And just as people are appointed to die once, and then to face judgment,