The thing about happiness is that you only know you had it when it's gone.
义务是由于对法则的敬重而产生的行为必要性。
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。
"The past is always tense, the future perfect."