The tears of the world are a constant quantity. For each one who begins to weep, somewhere else another stops. The same is true of the laugh.

真正的创新需要冒险。

顾客可能不总是对的，但他们永远是顾客。

读书人虽然有书本知识，但最根本的还是在于把书本知识变为实际行动。