So shall my word be - All the truth which God reveals is as much adapted to produce an effect on the hard and sterile hearts of men as the rain is on the earth.

It shall not return unto me void - It shall not return to me without accomplishing that which Iintend.

And it shall prosper - (See the note at Isaiah 52:13). This proves:

1. That God has a design in giving his Word to people. He has as distinct an intention in his Word as he has in sending down rain upon the earth.

2. That whatever is his design in giving the gospel, it shall be accomplished. It is never spoken in vain, and never fails to produce the effect which he intends. The gospel is no more preached in vain than the rain falls in vain. And though that often falls on barren rocks, or on arid sands; on extended plains where no vegetation is produced, or in the wilderness 'where no man is,' and seems to our eyes in vain, yet it is not so. God has a design in each drop that falls on sands or rocks, as really as in the copious shower that falls on fertile fields. And so the gospel often falls on the hard and barren hearts of men. It is addressed to the proud, the sensual, the avaricious, and the unbelieving, and seems to be spoken in vain, and to return void unto God. But it is not so. He has some design in it, and that will be accomplished. It is proof of the fullness of his mercy. It leaves people without excuse, and justifies himself. Or when long presented - apparently long in vain - it ultimately becomes successful, and sinners are at last brought to abandon their sins, and to turn unto God. It is indeed often rejected and despised. It falls on the ears of people apparently as the rain falls on the hard rock, and there are, so to speak, large fields where the gospel is preached as barren and unfruitful of any spiritual good as the extended desert is of vegetation, and the gospel seems to be preached to almost entire communities with as little effect as is produced when the rains fall on the deserts of Arabia, or of Africa. But there will be better and happier times. Though the gospel may not now produce all the good effects which we may desire, yet it will be ultimately successful to the full wish of the widest benevolence, and the whole world shall be filled with the knowledge and the love of God.

So shall my word be that goeth forth out of my mouth,.... My good word, as the Targum; this may either be understood of Christ, the eternal Word, who is called the Word of God, and may be said to go forth out of his mouth, being spoken of by all his holy prophets, since the world began, whose coming was like the rain or snow, Hosea 6:3, he came from heaven, from his Father there, and as a free gift of his, and in consequence of a decree, as the rain does; the manner of his coming, like that, was suddenly, gratefully, and with great efficacy, watering his people with his grace, through the ministry of the word, and making them fruitful; and though he returned to heaven again, yet not empty, without fruit and effect; he produced a large harvest of souls, and procured all blessings of grace for them, and accomplished the whole will and pleasure of God, in effecting the salvation of his people; and the pleasure of the Lord prospered in his hand: or else it may be interpreted of God's word of promise; the promises are made in heaven, and come from thence as the rain and snow do; are the gifts of God's grace; are very refreshing and reviving, as rain to the earth; and are always effectual, being yea and amen in Christ Jesus; and being made good, fulfil purposes, or the good will and pleasure of God; particularly promises concerning Christ, pardon and peace through him; such as are given forth in this chapter: or rather it may be meant of the word of the Gospel, which is of God; comes from heaven; is a blessing grace; falls according to divine direction here and there; tarries not for the expectations, desires, or deserts of men; falls in great plenty; and is a blessing wherever it comes: it is the means of softening the hard hearts of men; of cooling the conscience set on fire by the law, and allaying the heat of divine wrath there; and of refreshing and reviving drooping, disconsolate, and weary souls: it is the means of the first buddings of grace in the Lord's people, and of the larger exercises and flourishings of it, and of all fruitfulness in good works: it is productive of seed to Christ the sower, and fruit to his ministers who labour under him, and of bread to the eater, the believer, whom it furnishes with the bread of life to feed upon by faith:

it shall not return to me void; it is accompanied with a divine energy; it is the power of God to salvation:

but it shall accomplish that which I please; in the conversion of sinners, and comfort of saints:

and it shall prosper in the thing whereto I sent it: whether it be the savour of life unto life, or the savour of death unto death; whether for the quickening of sinners, and reviving of saints; or whether for the hardening of men, and leaving them without excuse to perish in their sins, both in the Jewish and Gentile world.

So shall my {m} word be that proceedeth from my mouth: it shall not return to me void, but it shall accomplish that which I please, and it shall prosper in the thing for which I sent it.

(m) If these small things have their effect, as daily experience shows much more will my promise which I have made and confirmed, bring to pass the things which I have spoken for your deliverance.

55:11 My word - My promises, concerning the pardon of the greatest sinners. Void - Without success.

11. (Mt 24:35). Rain may to us seem lost when it falls on a desert, but it fulfils some purpose of God. So the gospel word falling on the hard heart; it sometimes works a change at last; and even if so, it leaves men without excuse. The full accomplishment of this verse, and Isa 55:12, 13, is, however, to be at the Jews' final restoration and conversion of the world (Isa 11:9-12; 60:1-5, 21).

55:6-13 Here is a gracious offer of pardon, and peace, and of all happiness. It shall not be in vain to seek God, now his word is calling to us, and his Spirit is striving with us. But there is a day coming when he will not be found. There may come such a time in this life; it is certain that at death and judgment the door will be shut. There must be not only a change of the way, but a change of the mind. We must alter our judgments about persons and things. It is not enough to break off from evil practices, we must strive against evil thoughts. To repent is to return to our Lord, against whom we have rebelled. If we do so, God will multiply to pardon, as we have multiplied to offend. But let none trifle with this plenteous mercy, or use it as an occasion to sin. Men's thoughts concerning sin, Christ, and holiness, concerning this world and the other, vastly differ from God's; but in nothing more than in the matter of pardon. We forgive, and cannot forget; but when God forgives sin, he remembers it no more. The power of his word in the kingdoms of providence and grace, is as certain as in that of nature. Sacred truth produces a spiritual change in the mind of men, which neither rain nor snow can make on the earth. It shall not return to the Lord without producing important effects. If we take a special view of the church, we shall find what great things God has done, and will do for it. The Jews shall come to their own land; this shall represent the blessings promised. Gospel grace will make a great change in men. Delivered from the wrath to come, the converted sinner finds peace in his conscience; and love constrains him to devote himself to the service of his Redeemer. Instead of being profane, contentious, selfish, or sensual, behold him patient, humble, kind, and peaceable. The hope of helping in such a work should urge us to spread the gospel of salvation. And do thou help us, O Spirit of all truth, to have such views of the fulness, freeness, and greatness of the rich mercy in Christ, as may remove from us all narrow views of sovereign grace.