And, therefore, we hold that the stars are not the causes of the things that occur, nor of the origin of things that come to pass, nor of the destruction of those things that perish. They are rather signs of showers and changes of air. But, perhaps, some one may say that though they are not the causes of wars, yet they are signs of them. And, in truth, the quality of the air which is produced Text, ποιουμένη. Variant, ποιούμενον. by sun, and moon, and stars, produces in various ways different temperaments, and habits, and dispositions Basil, Hom. 6, in Hexaëmeron.. But the habits are amongst the things that we have in our own hands, for it is reason that rules, and directs, and changes them.