[52] The third class are the sceptics, who do not apply themselves to the most excellent objects, either of the intellect or of the external senses, which exist in nature, because they are always occupying themselves with petty sophistries, and small cavils, and criticisms. These have for their companions the concubine Rumah, who sees something which is very minute, because they are unable to approach the investigation of better things, by means of which they might benefit their own life.