We must mine coal responsibly today so that our children inherit both energy security and a healthy environment.

最好的建筑诞生于约束。

我不害怕坠入爱河，我害怕再次爱上错误的人。

True leadership in aggregates means balancing productivity with planetary responsibility.

The quality of an organization's integrity determines the quality of its trust.

不确定性不是信息的缺失，而是过多矛盾信息的存在。