Here, where he amusingly warns about joining a tribe, a tribe! without even realizing it:
Ask yourself whether or not you [yes, YOU] might be an Unreachable in some regard. Are there some beliefs you’ve taken on because they’re of use to you in some social setting or circumstance – beliefs that may not be completely grounded in fact? Are you, in your own way, an Unreachable in the eyes of someone else? Have you affiliated with a tribe of your own, whether out of convenience or for professional purposes, without even having realized it?