I never guess. It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.

天然气开采的创新是满足世界日益增长的能源需求的关键。

我学得越多，就越意识到自己不懂的还有很多。

I believe that every challenge is an opportunity to grow.

永远保持节俭，除非是为了自己的热情。