Romans 6:3-5

Verse 3

Know ye not, etc. - Every man who believes the Christian religion, and receives baptism as the proof that he believes it, and has taken up the profession of it, is bound thereby to a life of righteousness. To be baptized into Christ, is to receive the doctrine of Christ crucified, and to receive baptism as a proof of the genuineness of that faith, and the obligation to live according to its precepts.

Baptized into his death? - That, as Jesus Christ in his crucifixion died completely, so that no spark of the natural or animal life remained in his body, so those who profess his religion should be so completely separated and saved from sin, that they have no more connection with it, nor any more influence from it, than a dead man has with or from his departed spirit.
Verse 4

We are buried with him by baptism into death - It is probable that the apostle here alludes to the mode of administering baptism by immersion, the whole body being put under the water, which seemed to say, the man is drowned, is dead; and, when he came up out of the water, he seemed to have a resurrection to life; the man is risen again; he is alive! He was, therefore, supposed to throw off his old Gentile state as he threw off his clothes, and to assume a new character, as the baptized generally put on new or fresh garments. I say it is probable that the apostle alludes to this mode of immersion; but it is not absolutely certain that he does so, as some do imagine; for, in the next verse, our being incorporated into Christ by baptism is also denoted by our being planted, or rather, grafted together in the likeness of his death; and Noah's ark floating upon the water, and sprinkled by the rain from heaven, is a figure corresponding to baptism, 1Pet 3:20, 1Pet 3:21; but neither of these gives us the same idea of the outward form as burying. We must be careful, therefore, not to lay too much stress on such circumstances. Drowning among the ancients was considered the most noble kind of death; some think that the apostle may allude to this. The grand point is, that this baptism represents our death to sin, and our obligation to walk in newness of life: without which, of what use can it or any other rite be?

Raised up from the dead by the glory of the Father - From this we learn, that as it required the glory of the Father, that is, his glorious energy, to raise up from the grave the dead body of Christ, so it requires the same glorious energy to quicken the dead soul of a sinner, and enable him to walk in newness of life.
Verse 5

For if we have been planted together - Συμφυτοι γεγοναμεν. Dr. Taylor observes, that our translation does not completely express the apostle's meaning. Τα συμφυτα are such plants as grow, the one upon and in the other, deriving sap and nourishment from it, as the mistletoe upon the oak, or the scion upon the stock in which it is grafted. He would therefore translate the words: For if we have been growers together with Christ in the likeness of his death, (or in that which is like his death), we shall be also growers together with him in the likeness of his resurrection; or in that which is like his resurrection. He reckons it a beautiful metaphor, taken from grafting, or making the scion grow together with a new stock.

But if we take the word planted in its usual sense, we shall find it to be a metaphor as beautiful and as expressive as the former. When the seed or plant is inserted in the ground, it derives from that ground all its nourishment, and all those juices by which it becomes developed; by which it increases in size, grows firm, strong, and vigorous; and puts forth its leaves, blossoms, and fruit. The death of Jesus Christ is represented as the cause whence his fruitfulness, as the author of eternal salvation to mankind is derived; and genuine believers in him are represented as being planted in his death, and growing out of it; deriving their growth, vigor, firmness, beauty, and fruitfulness from it. In a word, it is by his death that Jesus Christ redeems a lost world; and it is from that vicarious death that believers derive that pardon and holiness which makes them so happy in themselves, and so useful to others. This sacrificial death is the soil in which they are planted; and from which they derive their life, fruitfulness, and their final glory.
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