"Every man has his secret sorrows which the world knows not; and often times we call a man cold when he is only sad."

史记

做出伟大工作的唯一方法就是热爱你所做的事。

"You can't be afraid to fail. It's the only way you succeed."

释义：在人的一生中，应当做到无愧于古人。即要努力做到像古代的贤人一样，有高尚的品德和行为，不因个人的私欲而做出违背道德和原则的事情。