我们最爱的故事会永远活在我们心中。

数学的本质在于它的自由。

To understand the world, you must first understand a place like Ireland.

The existing is already a resource.

The truth is that men and women are different, and those differences should be celebrated, not erased.

可持续性不是一个流行词，而是现代能源行业的商业必需。

经济发展的关键不是让价格正确，而是让制度正确。

Success is not an entitlement. It has to be earned.

煤炭使美国在世界范围内保持竞争力。

敢于在古人成就面前一争高低，这是有志气；在今人的成绩面前不虚心，这是没有气量。

对民主的爱就是对平等的爱。