[135] Thus the souls which are already pregnant are naturally likely to bring forth children, rather than those which are now [68] [69] [70] receiving the seed. But as the eyes of the body do oftentimes see obscurely, and often on the other hand see clearly, so in the same manner does the eye of the soul, at times, receive the particular impressions conveyed to it by things in a most confused and indistinct manner, and at other times it beholds them with the greatest purity and clearness;