This is the _design_, of Christ, I say, implied in the institution of the baptismal rite. Whether He will be merciful, over and above His promise, to those who through ignorance do not comply with this design, or are in other respects irregular in their obedience, is a further question, foreign to our purpose. Still it remains the revealed design of Christ to connect all His followers in one by a visible ordinance of incorporation. The Gospel faith has not been left to the world at large, recorded indeed in the Bible, but there left, like other important truths, to be taken up by men or rejected, as it may happen. Truths, indeed, in science and the arts _have_ been thus left to the chance adoption or neglect of mankind; they are no one's property; cast at random upon the waves of human opinion. In any country soever, men may appropriate them at once, and form themselves at their will into a society for their extension. But for the more momentous truths of revealed religion, the God, who wrought by human means in their first introduction, still preserves them by the same. Christ formed a body. He secured that body from dissolution by the bond of a Sacrament. He committed the privileges of His spiritual kingdom and the maintenance of His faith as a legacy to this baptized society; and into it, as a matter of historical fact, all the nations _have_ flowed. Christianity has not been spread, as other systems, in an isolated manner, or by books; but from a centre, by regularly formed bodies, descendants of the three thousand, who, after St. Peter's preaching on the day of Pentecost, joined themselves to the Apostles' doctrine and fellowship. And to this apostolical body we must still look for the elementary gift of grace. Grace will not baptize us while we sit at home, slighting the means which God has appointed; but we must "_come_ unto Mount Sion, and unto the city of the living God, the heavenly Jerusalem, and to an innumerable company of angels, to the general assembly and Church of the first-born which are written in heaven, and to God the Judge of all, and to the spirits of just men made perfect, and to Jesus the mediator of the new covenant, and to the blood of sprinkling that speaketh better things than that of Abel." 4. And now I will mention one other guarantee, which is especially suggested by our Lord's words in the text, for the visible unity and permanence of His Church; and that is the appointment of rulers and ministers, entrusted with the gifts of grace, and these in succession. The ministerial orders are the ties which bind together the whole body of Christians in one; they are its organs, and they are moreover its moving principle.