 So, since this lady of mine had slightly altered her sweet expressions toward me, above all where I investigated and researched whether the prime matter of the elements was comprehended by God—because of which I refrained for a while from being in the presence of her face—living more or less without her, I started to reflect on the human defect related to the above-mentioned error [i.e., a false perception of the bases of human nobility]. [4.1.8]