12. Hence it appears that there is nothing more necessary for man to know than what good and truth are; how the one has respect to the other; and how one is conjoined to the other. But such knowledge is especially necessary for the man of the church; for as all things of heaven have relation to good and truth, so also have all things of the church, because the good and truth of heaven are also the good and truth of the church. It is on this account that a beginning is made from good and truth.