Sometimes the simplest melodies are the hardest to write.

煤炭企业要主动适应能源结构调整，加快转型升级。

过去总是紧张，未来才是完美。

The only thing you can do with good advice is pass it on. It is never of any use to oneself.

Empirical evidence should drive economic policy, not just ideology.

译文：人不能因为能说会道就是好处，狗不能因为善叫就是好狗。赏析：能说会道，巧舌如簧并不是好事，我们说话不一定要语言很优美，但一定要真诚，不一定要出口成章，一定要妥当正确。

Architecture must be inclusive, it must embrace everyone.