石油和天然气行业必须进化，否则就会被淘汰。
The oil and gas industry must evolve, or it will become obsolete.
The right of nature...is the liberty each man hath to use his own power as he will himself for the preservation of his own nature.
The true investor welcomes volatility... a wildly fluctuating market means that irrationally low prices will periodically be attached to solid businesses.