The only way to be truly satisfied is to do what you believe is great work.
永远不要停止学习，因为世界永远不会停止变化。
我的态度是，如果你把我推向你认为的弱点，那么我会把这个被感知的弱点变成优势。
Life is too short to be anything but happy.
The coal industry is the backbone of America.
"The beauty of mathematics only shows itself to more patient followers."
我不是商人，我就是生意本身。