科学中最重要的不是技术，而是你提出的问题。

旅行改变你。随着你的移动，你的记忆、你的世界观会在你的脑海中碰撞、摩擦、磨砺。你永远无法像出发前那样回家。

化用李商隐诗句，表达乐观豁达的人生态度。

Natural gas will play a crucial bridging role, but it cannot be the final destination.

Profitability and sustainability are not opposites; they are two sides of the same coin. A business that harms the environment ultimately harms itself.