People who are mentally & emotionally arrogant usually can't handle hearing these things:1. Moving on...'fizkes / ShutterstockMost of us are constantly busy and don’t have time to sit down and discuss the mentally & emotionally arrogant person's poor behavior. Shift Drive / ShutterstockSometimes mentally & emotionally arrogant people say out-of-pocket comments that have nothing to do with the conversation that's being had. 'Well, I value your perspective'Antonio Guillem / ShutterstockThere's nothing more satisfying than saying, "Well, I value your perspective," to put a mentally & emotionally arrogant person in their place. 'It’s okay to not know everything'insta_photos / ShutterstockAnother casual phrase that puts a mentally & emotionally arrogant person in their place is, "It's okay to not know everything."