(8, 9) If thy hand or thy foot offend thee.--(See Notes on Matthew 5:29-30.) The disciples had heard the words before in the Sermon on the Mount, but their verbal reproduction, sharpened as by a special personal application addressed not to the multitude but to the Twelve, gave them a new and solemn emphasis.

Verse 8. - Wherefore. The Lord teaches how to avoid this sin of giving offence, repeating the solemn words already delivered in the sermon on the mount, though with some variation and a different context (Matthew 5:29, 30). The reference on the former occasion was especially to breaches of the seventh commandment; here the Lord speaks of offences in general, of that external corruption among mankind which is the fruitful source of temptation and sin. The only remedy for this is the sternest self-denial, the strictest watchfulness. Or thy foot. Christ did not name this member in his previous discourse. Literally, the hand or foot leads into sin, when it is directed to forbidden objects, moves towards the acquisition of things contrary to the Law of God. Metaphorically, the expression signifies all that is as dear and as necessary as these important members. Such occasions of sin we must at once and absolutely cast aside. It includes also persons as well as things. Friends the dearest must be parted from if their presence, or conversation, or habits cause evil thoughts or encourage evil acts. In the presence of such offences, ties the nearest must be snapped asunder. Loneliness, isolation, is better than companionship in wickedness. It has been well said by Olshausen that the hand and the foot may denote mental powers and dispositions; and the warning is given that their over-cultivation may prove an obstacle to the spiritual life, and must be accordingly checked. We may also descry in the paragraph an admonition against making too much of skill, dexterity, and adroitness in business and occupation. There is a subtle snare in them; they may draw the heart away from God, and must be restrained and modified, so as not to interfere with the cultivation of religion and the care of the soul. Enter into life. This is an addition not found in the sermon on the mount; it refers to the eternal life which, beginning on earth, is consummated in heaven. Everlasting fire (τὸ πῦρ τὸ αἰώνιον). This is the first time that this phrase occurs. Whatever these words may mean, there can be no doubt that they signify, and are intended to signify, some awful kind and extent of punishment, the fear of which may deter from such sins as incur it. It is not morally expedient to minimize the force of such terms by disputing about the exact connotation of "aeonian." When we remember that the words are spoken by the loving and pitiful Saviour, we must allow that they point to some dreadful reality, the import of which he knew, and which he thus mercifully veiled from us as not able to bear the full revelation (see on Matthew 25:46).

18:7-14 Considering the cunning and malice of Satan, and the weakness and depravity of men's hearts, it is not possible but that there should be offences. God permits them for wise and holy ends, that those who are sincere, and those who are not, may be made known. Being told before, that there will be seducers, tempters, persecutors, and bad examples, let us stand on our guard. We must, as far as lawfully we may, part with what we cannot keep without being entangled by it in sin. The outward occasions of sin must be avoided. If we live after the flesh, we must die. If we, through the Spirit, mortify the deeds of the body, we shall live. Christ came into the world to save souls, and he will reckon severely with those who hinder the progress of others who are setting their faces heavenward. And shall any of us refuse attention to those whom the Son of God came to seek and to save? A father takes care of all his children, but is particularly tender of the little ones.Wherefore if thy hand or thy foot,.... The same words are repeated here on occasion of offences, as are spoken by Christ, Matthew 5:29 on account of unchaste looks, desires and lusts: giving offence to Christ's disciples, or endeavouring, by any means whatever, to cause them to stumble and fall, is equally gratifying the flesh, and no more to be indulged, than the other, on pain of eternal damnation. See Gill on Matthew 5:29, Matthew 5:30