The value or worth of a man is, as of all other things, his price; that is to say, so much as would be given for the use of his power.

If you only do things where you know the answer in advance, your company goes away.

我们对宇宙了解得越多，就越意识到我们不知道的还有很多。

投资更清洁的煤炭技术是对能源未来的投资。

Never overtrade. To do so is to violate a fundamental rule of successful trading.