The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.

Gratitude will unlock all other virtues and is something you can get better at.

The past is never dead. It's not even past.

成功不是终点，失败也不是致命的：重要的是继续前进的勇气。

人类是一种非常奇特的生物。他认为自己有一个灵魂，但他就是一个灵魂；他有一个身体。