How else can we account for the positive and assured way in which the Apostles and disciples spoke of the Holy Ghost on and after the day of Pentecost, if they did not know Him? Immediately after the fiery baptism, with its blessed filling, Peter stood before the people, and said: "This is that which was spoken by the prophet Joel: And it shall come to pass in the last days, saith God, I will pour out My Spirit upon all flesh"; then he exhorted the people and assured them that if they would meet certain simple conditions they should "receive the gift of the Holy Ghost." He said to Ananias, "Why hath Satan filled thine heart to lie to the Holy Ghost?" He declared to the High Priest and Council that he and his fellow-Apostles were witnesses of the resurrection of Jesus: and added, "And so is also the Holy Ghost, whom God hath given to them that obey Him." Without any apology or explanation, or "think so" or "hope so," they speak of being "filled" (not simply with some new, strange experience or emotion, but) "with the Holy Ghost." Certainly they must have known Him. And if they knew Him, may not we? Paul says: "Now we have received, not the spirit of the world, but the Spirit which is of God; that we might know the things that are freely given to us of God. Which things also we speak, not in the words which man's wisdom teacheth, but which the Holy Ghost teacheth" (I Cor. ii. 12, 13). And if we know the words, may we not know the Teacher of the words? John Wesley says:-- "The knowledge of the Three-One God is interwoven with all true Christian faith, with all vital religion. I do not say," he adds, "that every real Christian can say, with the Marquis de Renty, 'I bear about with me continually an experimental verity, and a fullness of the ever-blessed Trinity. I apprehend that this is not the experience of "babes," but rather "fathers in Christ."' But I know not how anyone can be a Christian believer till he 'hath the witness in himself,' till 'the Spirit of God witnesses with his spirit that he is a child of God'; that is, in effect, till God the Holy Ghost witnesses that God the Father has accepted him through the merits of God the Son. "Not that every Christian believer adverts to this; perhaps, at first, not one in twenty; but, if you ask them a few questions, you will easily find it is implied in what he believes."