战争是一件丑陋的事情，但不是最丑陋的事情：道德和爱国情感的腐化和堕落状态认为没有什么事情值得一场战争，这要糟糕得多。
War is an ugly thing， but not the ugliest of things: the decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth a war， is much worse.
Hold to the now, the here, through which all future plunges to the past.
预测未来的最好方法就是去创造未来。
学习的每一个方面或智能的任何其他特征都可以原则上被精确描述，以至于可以制造一台机器来模拟它。