Chap. VIIL ANTIENT METAPHYSICS. 125 



that I believe no body, in folving an arithmetical problem, makes any 

 ufe of the i?naginatton at all, or thinks of any corporeal thing. 

 And Plotinus, and fome of the later Platonifts, pretended, that, by 

 thinking often upon divine fubjedls, they came, at laft to have the 

 fame clear and diftindt notions of them, without the lead mixture of 

 any thing grofs or material, and to be in fome fort united with them 

 in a manner incomprehenfible to vulgar minds*. And fo much for 

 the gnojiic poivers of the human mind. 



* See what Philoponus has faid upon this fubje£l In the heginning of the intro- 

 du(Slion to his commentary upon Ariftotle's books Dc Anirna. Sec alfo the author of 

 the life of Plotinus, affixed to his works. 



CHAP. 



