V. 11.— Of whom we have many things to say, and hard to be uttered, seeing ye are dull of hearing. The Apostle, however, does not immediately enter upon the subject of the difference of the order of the priesthood of Aaron and Melchisedec, but takes occasion to rouse the attention of the Hebrew believers by informing them that he had much to say concerning Melchisedec which was not easily explained, not so much from the difficulty of the subject, as from their slow apprehensions of spiritual things.