没有改变就不可能进步，而无法改变思想的人也无法改变任何事。

As is a tale, so is life: not how long it is, but how good it is, is what matters.

The only difference between a rat and a human is that a rat learns from experience.

Stray birds of summer come to my window to sing and fly away。 And yellow leaves of autumn， which have no songs， flutter and fall there with a sigh。

最好的企业不只是销售产品；它们解决问题。