61 Now it happened that He was passing through some grainfields on a Sabbath ; and His disciples were picking the heads of grain , rubbing them in their hands , and eating the grain. 2 But some of the Pharisees said , "Why do you do what is not lawful on the Sabbath ?" 3 And Jesus answering them said , "Have you not even read what David did when he was hungry , he and those who 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.