61 Now it came to pass on a sabbath, that he was going through the grainfields; and his disciples plucked the ears, and did eat, rubbing them in their hands. 2 But certain of the Pharisees said, Why do ye that which it is not lawful to do on the sabbath day? 3 And Jesus answering them said, Have ye not read even this, what David did, when he was hungry, he, and they that were with him;
Matthew Henry's Commentary on Luke 6:1-3
Commentary on Luke 6:1-5
(Read Luke 6:1-5)
Christ justifies his disciples in a work of necessity for themselves on the sabbath day, and that was plucking the ears of corn when they were hungry. But we must take heed that we mistake not this liberty for leave to commit sin. Christ will have us to know and remember that it is his day, therefore to be spent in his service, and to his honour.