Writing is a form of prayer.

The heart of the educator must be a living flame, a source of warmth and light.

身体是我们把握世界的工具。

Sustainability isn't a department; it's a design principle that must permeate everything we create.

We must be realistic about the pace of change. The world will need oil and gas for decades to come, even as we invest in lower-carbon solutions.

The health of our oceans reflects the health of our planet. We must act now to protect both.

正义并不总是在法庭上找到；有时它存在于那些勇敢寻求正义的人的行动中。