"A [second-hander] is one who regards the consciousness of other men as superior to his own and to the facts of reality. It is to a [second-hander] that the moral appraisal of himself by others is a primary concern which supersedes truth, facts, reason, logic. The disapproval of others is so shatteringly terrifying to him that nothing can withstand its impact within his consciousness; thus he would deny the evidence of his own eyes and invalidate his own consciousness for the sake of any stray charlatan’s moral sanction. It is only a [second-hander] who could conceive of such absurdity as hoping to win an intellectual argument by hinting: 'But people won’t like you!'"

(From the Virtue of Selfishness)