我一直相信,如果你想在生活中取得任何成就,就必须为之努力。
必须有宽容雅量方可有高尚的品德;必须有忍耐之心性,事情才能成功。
一本正经地对待消遣和刻板地追求学问,结果就会成为一个学究。
The laws of behavior are as precise as those of physics.
Safety is not just a policy, it's a culture that must be embedded in every operation we undertake.
There's nothing more American than a coal miner.
I’m not perfect but I’m trying my best every day.