剑鞘保护剑的锋利,自己却满足於它自己的迟钝。
I'm not a diva. I'm just very passionate about what I do.
The only way to do great work is to love what you do.
解释:冬天不洗冰水,并不是吝惜冰;夏天不烤火,也不是舍不得火。而是因为这样做对身体不适宜。