Themost dramatic conflicts are perhaps, those that take place not between menbut between a man and himselfwhere the arena of conflict is a solitary mind.
The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore, all progress depends upon the unreasonable man.
Neverforget the power of silence, that massively disconcerting pause which goes onand on and may at last induce an opponent to babble and backtrack nervously.