The man who is a pessimist before 48 knows too much; if he is an optimist after it, he knows too little.
Mark TwainLet us make a special effort to stop communicating with each other, so we can have some conversation.
Mark Twain...the person that had took a bull by the tail once had learnt sixty or seventy times as much as a person that hadn't, and said a person that started in to carry a cat home by the tail was getting knowledge that was always going to be useful to him, and warn't ever going to grow dim or doubtful. Chances are, he isn't likely to carry the cat that way again, either. But if he wants to, I say let him!
Mark TwainThere are some natures which never grow large enough to speak out and say a bad act is a bad act, until they have inquired into the politics or the nationality of the man who did it.
Mark Twain