but with precious blood, as of a lamb without spot, the blood of Christ;

 (ii) It tells us that preaching is through the Holy Spirit sent down from heaven. The preacher's message is not his own; it is given to him. He brings, not his own opinions and even prejudices; he brings the truth as given him by the Holy Spirit. Like the prophet he will have to search and enquire; he will have to study and to learn; but he must then wait for the guidance of the Spirit to come to him. 