What David did (τ εποιησεν Δαυειδ). From the necessity of hunger. The first defence made by Christ appeals to the conduct of David (2 Samuel 21:6). David and those with him did "what was not lawful" (ο ουκ εξον ην) precisely the charge made against the disciples (ο ουκ εξεστιν in verse Matthew 12:2).