若得鼓而进于义,则吾义岂不益进哉。
如果能够擂鼓让天下的人都达到义,那么我的义难道不是更进一步了吗? 
The only freedom which deserves the name is that of pursuing our own good in our way, so long as we do not attempt to deprive others of theirs or impede their efforts to obtain it.
学问的道理没有别的,就是找回那丧失了的善心罢了。
如果我们想养活世界,就必须投资于更智能的畜牧方式。
The truth is, I don't know what I'm doing. But I know I'm doing it with all my heart.