SECT. IX. Against two principles.
AND here, by the way, we ought to reject their opinion, who imagine there are two active principles, the one good, and the other evil.1616 For from two principles, that nye contradictory to each other, can arise no regular order, but only ruin and destruction: neither can there be a self-existent being perfectly evil, as there is one self-existent perfectly good; because evil is a defect, which cannot reside but in something which has a being; and the very having a being is to be reckoned amongst the things which are good.1717