家不是一个地方，而是一种感觉。
矿工的安全永远不应该用成本效益分析来衡量。
Power is not given to you. You have to take it.
We are punished by our sins not for them.
Competition is a good thing, it forces you to keep improving.
I declare: freedom is the ultimate goal of life.
The study of intelligence must be grounded in the study of symbol systems.
Old soldiers never die. They just fade away.
"The future belongs to those who can collaborate across boundaries."