So the priest gave him hallowed bread: for there was no bread there but the showbread, that was taken away from before the LORD, to put hot bread in its place the day when it was taken away.
All Commentaries on 1 Samuel 21:6 Go To 1 Samuel 21
Ambrose of Milan
AD 397
Even if they accuse, yet Christ excuses, and he makes the souls that he wishes, that follow him, similar to David, who ate the loaves of proposition outside of the law—for even then he foresaw in his mind the prophetic mysteries of a new grace.