When you doubt your power, you give power to your doubt.

The essence of mathematics lies in its freedom.

The best stories are the ones that challenge you.

被爱的最好方法是去爱。

The most powerful brand in the world is a story well told.

译文：有任何事对着品行正直的人说，是是非非不要听心术不正的人说。赏析：君子做事光明磊落，胸襟宽广，我们值得托付大事，而小人品行不端，无事生非，我们容易误入歧途。