ABSTRACT
Although all reason suited to discourse has two parts, one of discovering, the other of judging, the prince of both, it seems to me, was Aristotle. The Stoics, however, exerted themselves in only one, for they pursued the ways of judging carefully in the science which they call dialectic, but they left aside the whole art of discovering, which is called topic, and which was more excellent in use and certainly prior in order of nature. But since there is the greatest utility in both and since we think to pursue both if there will be leisure, we shall begin from that which is first.
