创新不仅仅是创造新事物，也是改进已有的事物。

I try to get rid of people who confidently answer questions about which they don't have any real knowledge.

如果A代表一个人的成功，那么A等于x加y加z。勤奋工作是x；y是玩耍，而z是把嘴闭上。

技术在矿物开采中应该同时服务于效率和道德。