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.

A proposition is an assertion that something is or is not the case.

可持续性不是一种选择，而是我们业务的未来。

每个伟大的管弦乐队都是社会的镜子，既反映其美德也反映其缺陷。

Success is going from failure to failure without loss of enthusiasm.