与我们所承担的责任相比，石料的重量微不足道。

Collaboration across industries is key to solving the complex energy challenges we face.

It is the nature of the wise to resist pleasures, but the foolish to be a slave to them.

夜很黑，我远离家乡。

生存的唯一途径是记住我是人类，而作为人类就意味着永远处于不断变化的状态中。

Politics is every citizen's duty, and avoiding politics is itself a political stance.

道德文化的最高阶段是当我们认识到应该控制自己的思想时。