And it came to pass on the second sabbath after the first, that he went through the grainfields; and his disciples plucked the ears of grain, and did eat, rubbing them in their hands.
All Commentaries on Luke 6:1 Go To Luke 6
Tertullian of Carthage
AD 220
-as from the example of David, when he went into the temple on the Sabbath, and provided food by boldly breaking up the shew-bread.