8. “But who,” one will say, “hath come from those in hell, and hath declared these things?” Why, who hath arrived here from heaven, and told us that there is a God who created all things? And whence is it clear that we have a soul? For plainly, if thou art to believe the things only that are in sight, both God and angels, and mind and soul, will be matter of doubting to thee, and in this way thou wilt find all the doctrines of the truth gone.