Innovation in mining technology isn't just about efficiency—it's about safety and sustainability.
How weary, stale,flat and unprofitable seem to me all the uses of this world!
I don't listen to what people say. I just go out there and perform.
唯一真正的快乐是创造的快乐。
基督徒是完全自由的主人,不受任何人支配。基督徒是完全尽职的仆人,受所有人支配。