By "Philosophy," says Hierocles, "is the purification and perfection of human life. It is the purification, indeed, from material irrationality, and the mortal body; but the perfection, in consequence of being the resumption of our proper felicity, and a reascent to the divine likeness. To effect these two is the province of Virtue and Truth; the former exterminating the immoderation of the passions; and the latter introducing the divine form to those who are naturally adapted to its reception."

As some apology may be thought necessary for having introduced certain unusual words of Greek origin, I shall only observe, that, as all arts and sciences have certain appropriate terms peculiar to themselves, philosophy, which is the art of arts, and science of sciences, as being the mistress of both, has certainly a prior and a far superior claim to this privilege. I have not, however, introduced, I believe, any of these terms without at the same time sufficiently explaining them; but, lest th