KNOW YOURSELF is the old rule that people talk about， and who<br >in his right mind would ever argue that it s not important?<br > Still， it s easier said than done， as a lot of human critters have<br >found out， often to their dismay. Tricky business. For one thing，<br >you never know how other people take the tbings you do. Ask a<br >deaf man why he talks so loud and be ll tell you he didn t know<br >he was talking loud at alh<br > It s this way with more than deafness. Some things you ll never<br >know， like how you look when you re asleep or how strong your<br >grip is when you shake hands.<br > Still， a man s a fool if he doesn t learn a few things about bimselfi<br >Even if there s no real understanding behind it， he ought to have<br >an idea of how he strikes other people as different or maybe wrong<br >in some way. It may not make sense to him， but he ought to be<br >able to figure out when something isn t working just right. He<br >ought to know if something isn t coming across the way he thinks<br >he s sending it out.<br > You take a prognathic man， tbr example. He may think he s<br >generally admired because of his strong and manly chin， and he<br >might get in the habit of assuming a posture， lifting his profile in<br >a pose that would embarrass Caesar. He might do this all his life，<br >and never catch on that to nine people out of ten he s nothing but<br >a damned fool and the only wonder he excites is liow he can carry<br >a four-pound jaw around and not get tired enough to let his mouth<br >