要训练一只鹰,你必须像鹰一样观察它。
"To train a hawk you must watch it like a hawk."
If you want to get smart, the question you have to keep asking is 'why, why, why?'
当实验证明最吸引人的想法是错误时,你必须准备好放弃它们。
The challenges of today's coal industry require bold leadership and vision.