The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.

Scientific rigor is the foundation of everything we do; without it, trust is impossible.

过去是一个幽灵，萦绕在现在。

生命短暂，你必须不断前进。

巴黎的街道有自己的记忆。

生活中最好的老师是经验。

世界会打击每一个人，但经历过后，许多人会在受伤的地方变得更坚强。