可持续性不是一种选择，而是我们对后代的责任。

Resilience in business comes from diversifying both energy sources and strategies.

The complexity of viruses reminds us how much we still have to learn about biology.

一个好老师必须能够设身处地为那些觉得学习困难的人着想。

A failure is not always a mistake, it may simply be the best one can do under the circumstances. The real mistake is to stop trying.

Ambition leads me not only farther than any other man has been before me, but as far as I think it possible for man to go.

人的通病，往往是被局部所蒙蔽，而对全局的道理不明白。