无论我们观察到多少只白天鹅，都不能证明所有天鹅都是白色的。

我不必完美，我只需要做我自己。

Innovation in natural gas extraction is key to meeting the world's growing energy demands while reducing environmental impact.

The quality of an organization's vision determines the quality of its direction.

我认为在生活和职业中冒险是很重要的。