The truth is like a lion; you don't have to defend it.Let it loose; it will defend itself.
真理如狮子,不需要你为其辩护。放开它,它会自己辩护。
平静:不要被琐事、普通或者不可避免的事所扰。
The world owes all its onward impulses to men ill at ease; the happy man inevitably confines himself within ancient limits.
人类行为的首要原则是,一个人会做他认为能满足自己欲望的事情。