But that which makes many perswade themselves that there is difficulty in knowing it, as also to know what their Soul is, 'tis that they never raise their thoughts beyond sensible things, and that they are so accustomed to consider nothing but by imagination, which is a particular manner of thinking on materiall things, that whatsoever is not imaginable seems to them not intelligible.
eta gainera beste alde bat dago oraindik, alegia, ikusmenak ez digula segurtatzen bere gaien egiaz usaimenak edo entzumenak eurenaz segurtatzen dutena baino gutxiago.