Sustainability isn’t a choice—it’s the only path forward for any industry tied to natural resources.

卓越不是一种行为，而是一种习惯。

The key to success is to get out into the store and listen to what the associates have to say. It's terribly important for everyone to get involved. The best ideas come from the floor.

The conversation about coal must move beyond 'pro' or 'anti'—we need solutions, not slogans.

可持续性不是一种趋势，而是我们共同的责任。

A thermonuclear war cannot be considered a continuation of politics by other means (according to the formula of Clausewitz). It would be a means of universal suicide.

现实主义不是复制自然，而是理解其本质。