从老师那里学到一切是学生的责任，充分激发学生的全部潜力是老师的责任。
"The truth may set you free, but first it will break you."
To be without some of the things you want is an indispensable part of happiness.
我们都是自己欲望的囚徒，自由只是另一种形式的束缚。