2dly. For the pollution of our nature, it was prevented in him from the instant of conception, Luke i. 35, “The Holy Ghost shall come upon thee, and the power of the Highest shall overshadow thee: therefore also that holy thing that shall be born of thee shall be called the Son of God.” He was “made of a woman,” Gal. iv. 4; but that portion whereof he was made was sanctified by the Holy Ghost, that what was born thereof should be a holy thing. Not only the conjunction and union of soul and body, whereby a man becomes partaker of his whole nature, and therein of the pollution of sin, being a son of Adam, was prevented by the sanctification of the Holy Ghost, but it also accompanied the very separation of his bodily substance in the womb unto that sacred purpose whereunto it was set apart: so that upon all accounts he is “holy, harmless, undefiled.” Add now hereunto, that he “did no sin, neither was guile found in his mouth,” 1 Pet. ii. 22; that he “fulfilled all righteousness,” Matt. iii. 15; his Father being always “well pleased” with him, verse 17, on the account of his perfect obedience; yea, even in that sense wherein he chargeth his angels with folly, and those inhabitants of heaven are not clean in his sight; and his excellency and desirableness in this regard will lie before us. Such was he, such is he; and yet for our sakes was he contented not only to be esteemed by the vilest of men to be a transgressor, but to undergo from God the punishment due to the vilest sinners. Of which afterward.