矿工的技能和奉献精神与他们带到地面的煤炭一样宝贵。
A miner's skill and dedication are just as valuable as the coal they bring to the surface.
希望不是一种感觉；它是一种可行的事情。
永远不要骄傲自满。没有什么是一成不变的。无论是个人还是企业，如果不经常寻求自我重塑和自我改进的方法，就会被竞争对手打败。尤其是组织，因为组织比想象中更脆弱。
数学家的工作永远不会完成；总有新的问题需要探索，新的谜团需要揭开。
To live is the rarest thing in the world. Most people exist, that is all.
"Science is the art of asking the right questions and finding the answers through evidence and reason."
My heart， the bird of the wilderness， has found its sky in your eyes。