自由从来不是被压迫者自愿给予的，必须由被压迫者争取。
Freedom is never voluntarily given by the oppressor； it must be demanded by the oppressed.
采矿业的创新不仅仅是技术，更是思维方式的改变。
The secret to success is learning how to use pain and pleasure instead of having pain and pleasure use you. If you do that, you’re in control of your life. If you don’t, life controls you.
在商业中，如果你不前进，就是在落后。
言语有力量——明智地使用它们。
