鹰从未像他屈服于向乌鸦学习时那样失去如此多的时间。
The eagle never lost so much time as when he submitted to learn of the crow.
"Every man has his secret sorrows which the world knows not; and often times we call a man cold when he is only sad."
能者做事，不能者教书。
In every story, there is a piece of the writer's soul.