Mark 2:25
And he said unto them, Have ye never read what David did, when he had need, and was an hungred, he, and they that were with him?
Cross-reference
1 Samuel 21:3–6
Citation
1 Samuel 21:3-6 provides the original narrative of David asking for showbread, which Jesus directly cites to justify his disciples' actions.
1 Samuel 21:6
Citation
In 1 Samuel 21:6, the priest gives David the holy bread; this is the specific act Jesus references from the David story.
Matthew 12:3
Parallel
Matthew 12:3 records Jesus asking the same question about David and the showbread, a parallel account of this event.
Luke 6:3
Parallel
Luke 6:3 records Jesus asking the same question about David and the showbread, a parallel account of this event.