只有掌握核心技术，才能掌握自己的命运。

即使只有一毫粗疏的地方，就不能准确地认识事理，所以说一定要精确。不然，众说纷纭必会产生疑惑；仅存在一丁点杂念，便不能坚守事理，故而必须专心，否则在利害面前必定会经不起考验。

蓬皮杜中心是一个巨大的Meccano玩具套装，一个内外颠倒的建筑。

地质时间不仅漫长，而且复杂，过程以截然不同的速率运行。

The world is so unpredictable. Things happen suddenly, unexpectedly. We want to feel we are in control of our own existence. In some ways we are, in some ways we're not. We are ruled by the forces of chance and coincidence.

The interplay between pure and applied mathematics is where true innovation happens.