Acts 1:20
For it is written in the book of Psalms, Let his habitation be desolate, and let no man dwell therein: and his bishoprick let another take.
Cross-reference
Acts 1:25
Parallel
Acts 1:25 defines the 'office' from the quote — Judas turned aside, and another takes his place.
Psalm 69:25
Citation
In Psalm 69:25, the psalmist prays for the enemy's camp to be desolate — Peter applies this to Judas' betrayal.
Psalm 109:8
Citation
Psalm 109:8 is the exact source for 'Let another take his office' — Peter applies it to Judas' replacement.
1 Timothy 3:1
Related theme
1 Timothy 3:1 uses the same Greek word 'episkopē' for the overseer role—the office Judas lost is the same office Timothy describes.
Luke 24:44
Allusion
Luke 24:44 declares that the Psalms must be fulfilled — Acts 1:20 applies a specific psalm to Judas, illustrating that principle.