骄傲暴戾的人，不能作为朋友。

正义的概念不是法律概念，而是道德概念。

理想的学校是鼓励孩子发展自身能力并表达自己个性的地方。

Coal isn't the problem - how we use it is. The solution lies in cleaner technologies and better utilization.

The ocean is not just a resource; it's a responsibility we owe to future generations.

The companies that survive will be those that put sustainability at the core of their strategy.

I am always glad to think that my education was, for the most part, informal, and had its roots in the real world.

我永远相信，只要坚持，就一定能成功。