The happiness of society is the end of government.

There is no shortcut to success, only down-to-earth efforts.

A pessimist sees the difficulty in every opportunity; an optimist sees the opportunity in every difficulty.

民主必须在每一代人中焕发新生，而教育是它的助产士。

I need a heart to write. Without passion, I am nothing.

Science is about connecting the dots between seemingly unrelated phenomena.