Having said, in the preceding chapter, that the Hebrews, considering the length of time they had professed the faith, should be teachers of Christianity, the Apostle expresses his resolve in this, to pass over, in consequence, these points of Christian doctrine, which formed the subject of instruction for adults, before their admission to baptism. The baptism, to which these matters subserve as a preparation, cannot be again repeated; and hence, the inutility of treating of them