感恩能解锁其他的美德，感恩是一件你可以练习的事情。

The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.

只有心灵才能洞察一切，最重要的东西，用眼睛是看不见的。