“唯一真正强大的是人类精神。”

The true measure of a company's value is how it treats its lowest-paid workers.

Prediction is very difficult, especially about the future.

以往花费许多力量也不能推动它，今天在水中间却能自在地移动。

Every day is a chance to be better than yesterday.

最深刻的定理往往源于最简单的观察。