1 John 5:13-16

Verse 13

That ye may know that ye have eternal life - I write to show your privileges - to lead you into this holy of holies - to show what believing on the Son of God is, by the glorious effects it produces: it is not a blind reliance for, but an actual enjoyment of, salvation; Christ living, working, and reigning in the heart.

And that ye may believe - That is, continue to believe: for Christ dwells in the heart only by Faith, and faith lives only by Love, and love continues only by Obedience; he who Believes loves, and he who Loves obeys. He who obeys loves; he who loves believes; he who believes has the witness in himself: he who has this witness has Christ in his heart, the hope of glory; and he who believes, loves, and obeys, has Christ in his heart, and is a man of prayer.
Verse 14

This is the confidence - Παρῥησια, The liberty of access and speech, that if we ask any thing according to his will, that is, which he has promised in his word. His word is a revelation of his will, in the things which concern the salvation of man. All that God has promised we are justified in expecting; and what he has promised, and we expect, we should pray for. Prayer is the language of the children of God. He who is begotten of God speaks this language. He calls God Abba, Father, in the true spirit of supplication. Prayer is the language of dependence on God; where the soul is dumb, there is neither life, love, nor faith. Faith and prayer are not boldly to advance claims upon God; we must take heed that what we ask and believe for is agreeable to the revealed will of God. What we find promised, that we may plead.
Verse 15

And if we know that he hear us - Seeing we are satisfied that he hears the prayer of faith, requesting the things which himself has promised; we know, consequently, that we have the petitions - the answer to the petitions, that we desired of him; for he cannot deny himself; and we may consider them as sure as if we had them; and we shall have them as soon as we plead for and need them. We are not to ask to-day for mercy that we now need, and not receive it till to-morrow, or some future time. God gives it to him who prays, when it is needful.
Verse 16

A sin which is not unto death - This is an extremely difficult passage, and has been variously interpreted. What is the sin not unto death, for which we should ask, and life shall be given to him that commits it? And what is the sin unto death, for which we should not pray?

I shall note three of the chief opinions on this subject: -

1. It is supposed that there is here an allusion to a distinction in the Jewish law, where there was חטאה למיתה chattaah lemithah, "a sin unto death;" and חטאה לא למיתה chattaah lo lemithah, "a sin not unto death;" that is,

1. A sin, or transgression, to which the law had assigned the punishment of death; such as idolatry, incest, blasphemy, breach of the Sabbath, and the like. And

2. A sin not unto death, i.e. transgressions of ignorance, inadvertence, etc., and such is, in their own nature, appear to be comparatively light and trivial. That such distinctions did exist in the Jewish synagogue both Schoettgen and Carpzovius have proved.

2. By the sin not unto death, for which intercession might be made, and unto death, for which prayer might not be made, we are to understand transgressions of the civil law of a particular place, some of which must be punished with death, according to the statutes, the crime admitting of no pardon: others might be punished with death, but the magistrate had the power of commuting the punishments, i.e. of changing death into banishment, etc., for reasons that might appear to him satisfactory, or at the intercession of powerful friends. To intercede in the former case would be useless, because the law would not relax, therefore they need not pray for it; but intercession in the latter case might be prevalent, therefore they might pray; and if they did not, the person might suffer the punishment of death. This opinion, which has been advanced by Rosenmuller, intimates that men should feel for each other's distresses, and use their influence in behalf of the wretched, nor ever abandon the unfortunate but where the case is utterly hopeless.

3. The sin unto death means a case of transgression, particularly of grievous backsliding from the life and power of godliness, which God determines to punish with temporal death, while at the same time he extends mercy to the penitent soul. The disobedient prophet, 1 Kings 13:1-32, is, on this interpretation, a case in point: many others occur in the history of the Church, and of every religious community. The sin not unto death is any sin which God does not choose thus to punish. This view of the subject is that taken by the late Rev. J. Wesley, in a sermon entitled, A Call to Backsliders. - Works, vol ii. page 239.

I do not think the passage has any thing to do with what is termed the sin against the Holy Ghost; much less with the popish doctrine of purgatory; nor with sins committed before and after baptism, the former pardonable, the latter unpardonable, according to some of the fathers. Either of the last opinions (viz., 2 and 3) make a good sense; and the first (1) is not unlikely: the apostle may allude to some maxim or custom in the Jewish Church which is not now distinctly known. However, this we know, that any penitent may find mercy through Christ Jesus; for through him every kind of sin may be forgiven to man, except the sin against the Holy Ghost; which I have proved no man can now commit. See the note on Mat 12:31, Mat 12:39 (note).
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