Purity of heart is to will one thing.

人们为了自己幸福，会让别人不幸。

一个人的力量有时可能超过千百人的力量，君子之人不能没有这种戒心；我何必怕他，大丈夫不能没有这种志向。

The world is before you, and you need not take it or leave it as it was when you came in.

互联网是一个不断发展的实体，需要持续的关注和照顾。