thE mAin purposE oF this pAssAgE is to______.
A．DiFFErEntiAtE BEtwEEn thE AttAinmEnt oF FACtuAl knowlEDgE AnD thE ArrivAl At philosophiCAl unDErstAnDing
B．DispArAgE intEllECtuAl ACtivitiEs AnD thE AttAinmEnt oF lEArning
C．EnCourAgE-mystiCism As A DEsirABlE philosophiCAl goAl
D．inspirE writErs to proDuCE morE prACtiCAl Books