矿业中的多样性不是可选项,而是发展的必要条件。
轧棉机的发明纯属偶然;那时我还很年轻,非常贫穷,对我来说从中实现一些价值是一个重要的目标。
The life of man is of no greater importance to the universe than that of an oyster.
"Don’t try to make life a mathematics problem with yourself in the center and everything coming out equal. When you’re good, bad things can still happen. And if you’re bad, you can still be lucky."