Thus the central mystery of divine love, carrying in it the perpetual presence of the Incarnate God in His Church and the institution of the Priesthood, is referred to in the briefest terms, as given to the Apostles by our Lord on the eve of His Passion: "This do in commemoration of Me." The authority which He bestowed on them after His Resurrection is, as St. Matthew states it, a power to confer sacraments and to teach all nations, carrying with it an obligation upon those who are taught of obedience to all which the Apostles should enjoin as commanded by Christ, and a promise of His perpetual presence with them in the fulfilment of the office. As St. Mark states it, a power to teach all nations, to dispense sacraments, and to work miracles, accompanied by the co-operation of Christ sitting at the right hand of God. As St. Luke states it, the promise of the Father sent upon them by Christ; power from on high; power of the Holy Ghost coming upon them; baptism with the Holy Ghost: all which is, in this case, elucidated by what took place on the Day of Pentecost. As St. John states it, such a mission of the Apostles by Christ as Christ received from the Father, and the gift of the Holy Ghost proceeding from the mouth of Christ, together with the power of remitting and retaining sins. All this was power bestowed upon the Apostles collectively, which Peter, as one of them, shared. The privileges recorded to have been bestowed on Peter, if we treat, as we must, the promise and the fulfilment as of equal force, are six— The first, to be the Rock on which Christ would build His Church. The second, that to the Church thus founded on the Rock, or to the Rock itself, perpetual continuance and victory are guaranteed. The third, that the keys of the kingdom of heaven, that is, supreme power in the Lord's house, guardianship of the Lord's city, are committed to him alone. The fourth, that the power of binding and loosing whatsoever shall be bound or loosed in earth and in heaven is committed to him singly. The fifth, the power to confirm his brethren, in which name the Apostles are specially indicated, because his own faith shall never fail. The sixth, the supreme Pastorship of the whole flock of Christ.