您认为自己知道什么时候可以学习，更确定什么时候可以写作，甚至更多的时候可以教书，但是可以确定何时可以编程。
You think you know when you can learn, are more sure when you can write, even more when you can teach, but certain when you can program.
Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.
You have to be ruthless in business, but fair at the same time.
在采矿业，安全不仅仅是政策 - 它是个人问题。