Tertullian

“ This grain, then, of spiritual seed is modest and very small when cast from her hand, but under her instruction [15] increases and advances into full conviction, as we have already said; [16] and the souls, on this very account, so much excelled all others, that the Demiurge, even then in his ignorance, held them in great esteem. ”

“ In this way also they make a twofold distinction among souls, as to their property of good and evil—according to the material condition derived from Cain, or the animal from Abel. Men’s spiritual state they derive over and above the other conditions, [8] from Seth adventitiously, [9] not in the way of nature, but of grace, [10] in such wise that Achamoth infuses it [11] among superior beings like rain [12] into good souls, that is, those who are enrolled in the animal class. Whereas the material class—in other words, those which are bad souls—they say, never receive the blessings of salvation ”