The true measure of a civilization is how it treats its weakest members.
一个文明的真正衡量标准是它如何对待最弱的成员。
如果自己道德高尚,就不会被外界不正的东西所迷惑。
The improver of natural knowledge absolutely refuses to acknowledge authority as such.  
一个人独处要超脱,与别人共处要和蔼;没有事时享受闲适;有了事情要果断;得意时要显出淡泊,失意时要安然处之。