思想，在理解和想象的程度上，都是被动的。

Leadership in the coal industry today means navigating the delicate balance between economic necessity and environmental responsibility.

"When you do something best in life, you don’t really want to give that up – and for me it’s tennis."

本当の勇気とは、怖いことを知っていながら、それでも前に進むことだ。