Holding faith, and a good conscience..... By "faith" is meant, not the grace of faith, but the doctrine of faith, a sense in which it is often used in this epistle; see 1Ti 3:9 and the "holding" of it does not intend a mere profession of it, and a retaining of that without wavering, which is to be done by all believers; but a holding it forth in the ministry of the word, in opposition to a concealing or dropping it, or any part of it; and a holding it fast, without wavering, and in opposition to a departure from it or any cowardice about it and against all posers: to which must be added, a good conscience; the conscience is not naturally good, but is defiled by sin; and that is only good, which is sprinkled by the blood of Christ, and thereby purged from dead works; the effect of which is an holy, upright, and becoming conversation; and which seems to be chiefly intended here, and particularly the upright conduct and behaviour of the ministers of the Gospel, in the faithful discharge of their work and office: see 2Co 1:12.
Which some having put away; that is, a good conscience; and which does not suppose that they once had one, since that may be put away which was never had: the Jews, who blasphemed and contradicted, and never received the word of God, are said to put it from them, Ac 13:46 where the same word is used as here; and signifies to refuse or reject anything with detestation and contempt: these men always had an abhorrence to a good conscience among men, and to a good life and conversation, the evidence of it; and at length threw off the mask, and dropped the faith they professed, as being contrary to their evil conscience: though admitting it does suppose they once had a good conscience, it must be understood not of a conscience cleansed by the blood of Christ, but of a good conscience in external show only, or in comparison of what they afterwards appeared to have: and, besides, some men, destitute of the grace of God, may have a good conscience in some sense, or with respect to some particular facts, or to their general conduct and behaviour among men, as the Apostle Paul had while unregenerate, Ac 23:1 and which being acted against, or lost, is no instance of falling from the true grace of God, which this passage is sometimes produced in proof of:concerning faith have made shipwreck; which designs not the grace, but the doctrine of faith, as before observed, which men may profess, and fall off from, and entirely drop and lose.