法律是通过社会机构执行的规则系统，用以管理行为。

"Imagination is not only the uniquely human capacity to envision that which is not, and therefore the fount of all invention and innovation. In its arguably most transformative and revelatory capacity, it is the power that enables us to empathize with humans whose experiences we have never shared."

You have to be willing to step out of your comfort zone to grow.

In oil and gas, efficiency and responsibility must go hand in hand.

Coal will remain part of the energy mix, but it must be cleaner and more responsible.

The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome given the alternatives.

"If you’re feeling lost, just look inside yourself."

I don’t do things for the reaction or the criticism. I live for what makes me happy.