煤炭的真实成本必须既考虑其即时价值，也考虑其对社区和生态系统的长期影响。
The true cost of coal must account for both its immediate value and its long-term impact on communities and ecosystems.
成功不是偶然的，而是必然的。
We must consider the environmental impact of every technological advancement.
The general will is always right， but the judgment which guides it is not always enlightened.
互联网是人类通信史上自印刷机发明以来最重要的单一发展。
True irreverence is disrespect for another man's god.