英语文摘？

The man who moves a mountain begins by carrying away small stones. 移大山始于运小石。

Real knowledge is to know the extent of one's ignorance. 

知之为知之，不知为不知，是知也。

Respect yourself and others will respect you. 

敬人者，人恒敬之。

Act with kindness but do not expect gratitude. 

但行好事，莫问前程。