数学的真正力量在于它简化复杂事物的能力，使不可理解的事物变得可理解。

The forest doesn't need us, but we need the forest—our survival depends on it.

Coal will remain part of the energy mix, but its role must be redefined for a cleaner future.

Sustainability is not just about planting trees; it's about planting ideas that grow into actions.

你必须愿意失败，愿意犯错，愿意带着学到的教训重新开始。

When one door is closed, don't you know, another is open.