Are ye so foolish?.... Is it possible you should be so stupid? and do you, or can you continue so?having begun in the Spirit; that is, either in the Spirit of God, whom they had received through the preaching of the Gospel.
They set out in a profession of religion in the light, under the influence, and by the assistance of the Spirit; they began to worship the Lord in spirit, and in truth, without any confidence in the flesh; they entered upon the service of God, and a newness of life, a different conversation than before, a spiritual way of living in a dependence on the grace and help of the divine Spirit: or in the Gospel, which is the Spirit that gives life, is the ministration of the Spirit of God, and contains spiritual doctrines, and gives an account of spiritual blessings, and is attended with the Holy Ghost, and with power.
This was first preached unto them, and they embraced it; this they begun and set out with in their Christian profession, and yet it looked as if they sought to end with something else:are you now made perfect by the flesh?
or "in" it; not in carnality, in the lusts of the flesh, as if they now walked and lived after the flesh, in a carnal, dissolute, wicked course of life; for the apostle is not charging them with immoralities, but complaining of their principles: wherefore, by "the flesh" is meant, either the strength of mere nature, in opposition to the Spirit of God, by which they endeavoured to perform obedience to the law; or else the law itself, in distinction from the Gospel; and particularly the ceremonial law, the law of a carnal commandment, and which consisted of carnal ordinances, and only sanctified to the purifying of the flesh; and also their obedience to it; yea, even all their own righteousness, the best of it, which is but flesh, merely external, weak, and insufficient to justify before God.