It is a fact that it is very difficult for a man to keep silent about things that interest him. He would like to speak about them to everyone with whom he is accustomed to share his thoughts, as he calls it. This is the most mechanical of all desires and in this case silence is the most difficult abstinence of all. But if a man understands this or, at least, if he follows this rule, it will constitute for him the best exercise possible for self-remembering and for the development of will. Only a man who can be silent when it is necessary can be master of himself.
“But for many people it is very difficult to reconcile themselves to the thought that one of their chief characteristics consists in undue talkativeness, especially for people who are accustomed to regard themselves as serious or sound persons, or for those who regard themselves as silent persons who are fond of solitude and reflection. And for this reason this demand is especially important. In remembering about this and in carrying it out, a man begins to see sides of himself which he never noticed before.