The scabbard is content to be dull when it protects the keenness of the word。
剑鞘保护剑的锋利,自己却满足於它自己的迟钝。
"Lighting is not about how much light you have, but how you use it."
We are going to die, and that makes us the lucky ones. Most people are never going to die because they are never going to be born.
解析:强调人心就是天理,无需外求。