沉默是用其他方式进行的争论。
Silence is argument carried out by other means.
The customer’s voice should always be the loudest in the room.
世界是一本书,不旅行的人只读了一页。
我不是说唱歌手,我是一个行走的传奇。
Every mathematical theorem is a story waiting to be told, a mystery waiting to be unraveled.
Your most unhappy customers are your greatest source of learning.