(2) If any man think that he knoweth any thing . . . .--There must be a moral as well as a merely intellectual element in knowledge if it is to be true knowledge. Without love to guide us in its use it is not an operative knowledge, and so does not fulfil the true end of knowledge.

It has been suggested (Stanley in loc) that "not yet" has here the force of "not in the infirmities of their mortal state;" but such an interpretation introduces altogether a new element of thought, to which there is no antithetical explanation in what follows.

Verse 2. - If any man think that he knoweth anything. Humility is the test of true knowledge, and love the inevitable factor in all Christian knowledge. The conceit of knowledge is usually the usurped self assertion of an imaginary infallibility. We only know "in part," and our knowledge, having at the best a purely relative value, is destined to vanish away (1 Corinthians 13:8). As he ought to know. True knowledge has in it an element of moral obligation, and saintliness is knowledge and supersedes the necessity for formal knowledge. Love is knowledge which has passed into heavenly wisdom. The student may say to the mystic, "All that you see I know;" but the mystic may retort," All that you know, I see."

8:1-6 There is no proof of ignorance more common than conceit of knowledge. Much may be known, when nothing is known to good purpose. And those who think they know any thing, and grow vain thereon, are the least likely to make good use of their knowledge. Satan hurts some as much by tempting them to be proud of mental powers, as others, by alluring to sensuality. Knowledge which puffs up the possessor, and renders him confident, is as dangerous as self-righteous pride, though what he knows may be right. Without holy affections all human knowledge is worthless. The heathens had gods of higher and lower degree; gods many, and lords many; so called, but not such in truth. Christians know better. One God made all, and has power over all. The one God, even the Father, signifies the Godhead as the sole object of all religious worship; and the Lord Jesus Christ denotes the person of Emmanuel, God manifest in the flesh, One with the Father, and with us; the appointed Mediator, and Lord of all; through whom we come to the Father, and through whom the Father sends all blessings to us, by the influence and working of the Holy Spirit. While we refuse all worship to the many who are called gods and lords, and to saints and angels, let us try whether we really come to God by faith in Christ.And if any man think that he knows anything,.... Whoever has an opinion of himself, or is conceited with his own knowledge, and fancies that he knows more than he does; which is always the case of those that are elated with their knowledge, and treat others with contempt, and have no regard to their peace and edification:

he knoweth nothing yet as he ought to know; if he did, he would know this, that he ought to consult the peace, comfort, and edification of his brother; and therefore whatever knowledge he may fancy he has attained to, or whatever he may be capable of, and hereafter obtain, for the present he must be put down for a man that knows nothing as he should do; for he knows neither his duty to God nor man; if he knew the former, he would know the latter.