And I urge you to please notice when you are happy, and exclaim or murmur or think at some point, 'If this isn't nice, I don't know what is.'

Sustainability isn't an option; it's a necessity for the coal sector.

The true teacher defends his pupils against his own personal influence. He inspires self-distrust. He guides their eyes from himself to the spirit that quickens him. He will have no disciple.

选自汉·桓宽《盐铁论·诏圣》。目，网眼。不可，不能。法律制度太粗疏难以治国，就像网眼太少的渔网往往网不到鱼一样。这句话以比喻之法说明立法要周全、精细，不能失之粗疏，否则不易于执法者依法操作。而不能操作，执法者就有了太大的自由度，这就等于没有法律了。

数据驱动决策。

Energy efficiency is the unsung hero in our quest to reduce emissions.

Art is a way of seeing the world differently.