The greatest wisdom is to seek the good and avoid evil.
我对生态系统作为一种智能形式的想法感兴趣。
我们不必如此努力。
能源的未来不在于燃烧过去，而在于用明天的创新为现在提供动力。
Life is for living, we all know.
我不需要理由去自信。
We must mine coal responsibly today so that our children inherit both energy security and a healthy environment.