Albert Barnes' Notes on the Whole Bible - John 6:63
It is the Spirit that quickeneth - These words have been understood in different ways. The word “Spirit,” here, evidently does not refer to the Holy Spirit, for he adds, “The words that I speak unto you, they are spirit.” He refers here, probably, to the doctrine which he had been teaching in opposition to their notions and desires. “My doctrine is spiritual; it is fitted to quicken and nourish the soul. It is from heaven. Your doctrine or your views are earthly, and may be called flesh, or... read more
The Pulpit Commentary - John 6:63
The flesh and the Spirit. Our Lord here teaches a great lesson which he several times repeated in the course of his ministry, and which is most emphatically inculcated by the Apostle Paul, especially in his Epistles to the Corinthians. There are two different principles of religion—one carnal, i . e . earthly and human; the other spiritual, i . e . heavenly and Divine; and of these the second is the true and satisfactory principle. "The flesh profiteth nothing"—the religion which... read more