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We can’t ignore the economic role of coal, but we also can’t ignore its environmental impact.

I always tell my kids, 'If you're going to do something, do it well. And if you're not going to do it well, don't do it at all.'

做出偉大工作的唯一途徑是熱愛你所做的事。

Responsible forestry is not a choice, it's an obligation for all of us.《Forests of Tomorrow》

I think that the function of art is to make life more interesting than art.