Coal is not just a commodity, it's a commitment to America's future.
Safety isn't just a policy; it's a culture we must live every day.
A man can be happy with any woman as long as he does not love her.
领导力在于让他人因为你的存在而变得更好,并确保这种影响在你离开后依然持续。
"I’m a very positive thinker, and I think that is what helps me the most in difficult moments."
Mathematics allows us to see the hidden structures that govern the world around us.
我们的收入好像我们的鞋子,如果太小就会挤脚并疼痛,如果太大则会绊脚和摔跤。
We are all, in the end, what we remember.