科学家必须有勇气捍卫自己的思想，即使它们不受欢迎。
"I suppose it's like the Titanic. The iceberg was real, but the ship was just a ship."
The only real death is the death of the spirit.
You may not control all the events that happen to you, but you can decide not to be reduced by them.
你或许无法控制发生在你身上的所有事情，但你可以决定不被它们打倒。
The best leaders are those who empower others to lead.
采矿业必须发展以满足不断变化的世界的需求。
