The past is never dead. It's not even past.
人生之道不要繁杂,繁杂就会头绪众多,就会困扰,就会带来忧患,这样,就不能保持自心清净,更谈不上救济世道人心了。
There's only one corner of the universe you can be certain of improving,and that's your own self.