Dream big, work hard, stay focused.
技术可以彻底改变矿业，但前提是我们有勇气接受它。
暴力留下的伤痕永远无法完全愈合。
当股票有吸引力时，你就买它们。当然，它们可能会跌得更低。我买过12美元的股票，后来跌到2美元，但后来又涨到30美元。
The state, therefore, has not existed from all eternity. There have been societies that did without it, that had no notion of the state or state power. At a certain stage of economic development, which was necessarily bound up with the split of society into classes, the state became a necessity.
Dictatorships breed fear, fear breeds silence, silence breeds oppression.