By judging a person's knowledge or perspective as 'inferior' (because it's less intellectual, or less 'enlightened'), I'm in fact suffering from the narrowness of my own knowledge -- because the tiny part relating to 'intellectual mindset' is the ONLY part I RECOGNIZE (hence think of it as the only important knowledge), thus it's the only part I SEE, oblivious to the rest of his/her knowledge (which of course is his/her home base).

It only takes a short switch to a circumstance in which none of the things I KNOW would be of ANY USE, then I'll be the one in awe of their vast unfathomable knowledge and realize what a snob I was. So narrowminded to forget that ALL KNOWLEDGE IS IMPORTANT (in the sense that it serves a function), after all they're acquired and developed by people to get through each and every lifepath which is just as solid and REAL as any other.