永远保持好奇心。你停止学习的那一刻，就是你停止成长的那一刻。

生活中唯一的限制是你自己设定的。

The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome of the historical process.

能源转型是挑战，更是机遇，关键看如何把握。