Don't work for the food which perishes, but for the food which remains to eternal life, which the Son of Man will give to you. For God the Father has sealed him."
which the son of man shall give unto you; meaning either everlasting life, which is in Christ's gift, and is a free grace gift of his; or else the meat which endures unto it: for though it is to be laboured for, not so as to prepare it, or to purchase it, but by asking for it in prayer, and by attending on ordinances, and exercising faith on Christ; yet it is his gift, and he gives it freely; grace, and the blessings of it, are freely given by him, and so are the Gospel and its ordinances; and also his own flesh, which is first given by him, by way of sacrifice, in the room and stead of his people, and for the life of them, John 6:51; and then it is given unto them to feed upon spiritually by faith, and which is here designed: