We must balance the need for energy security with the imperative of reducing emissions.

我们重读最多的书是那些最清楚地描述我们已经知道的世界的书。

I think that the thing that makes mathematics worthwhile is the fact that it has this incredible structure that you can explore and discover.

译文：年轻的时候读书并没有取得深刻的理解，到了晚年的时候并没有付出多大努力却取得了惊人的成就。赏析：不管读书还是做事，我们要尽量做好，即使当时不理解，迟早有一天会明白其中的道理。年轻时不理解，是因为我们的社会阅历和人生经验不够丰富。

The only limit to our realization of tomorrow will be our doubts of today.

可持续采石不是选择，而是我们对后代的责任。

The transformation of the energy industry requires courage and wisdom; we must dare to break through traditional thinking.

The world is all the richer for having a devil in it, so long as we keep our foot upon his neck.

市场永远在变，唯有以变应变。