Your most unhappy customers are your greatest source of learning.

解释：狐狸疑心大，刚埋下东西，旋即又把它挖出来。

衡量矿业公司成功的真正标准是其如何平衡利润与环境责任。

我不是国王，我是音乐的仆人。

All are gurus to us, the wicked by their evil deeds say 'do not come near me'. The good are always good, therefore all are like gurus to us.

The writer must be a stranger in his own country.

Failure is an option here. If things are not failing, you are not innovating enough.

宇宙不仅比我们想象的更奇怪，它比我们能够想象的还要奇怪。

Ninety-nine percent of the troubles that threaten our civilization come from too optimistic, therefore we should have a system where the accounting is a way more conservative.