The sabbath was instituted for the benefit of man, that he might refresh and renew his body, fatigued and worn by six days' labour, with the restful calm of the seventh; and that he might have leisure to apply his mind to the things which concern his everlasting salvation; to consider and meditate upon the Law of God; and rouse himself, by the remembrance of the Divine greatness and goodness, to true repentance, to gratitude, and to love.
The force of the argument is this: The sabbath was made on account of man, not man on account of the sabbath. The sabbath, great and important as that institution is, is subordinate to man. If, then, the absolute rest of the sabbath becomes hurtful to man, a new departure must be taken, and some amount of labour must be undergone, that man may be benefited.
Therefore was Christ justified in permitting to his disciples a little labour in plucking these ears of corn on the sabbath day, in order that they may appease their hunger. For it is better that the rest of the sabbath should be disturbed, though but a little, than that any one of those for whose sake the sabbath was instituted should perish.