科学是照亮世界的火炬。

在沉默中，和惶恐不安作斗争。

In the state of nature, indeed, all men are born equal, but they cannot continue in this equality. Society makes them lose it, and they recover it only by the protection of the laws.

To see is to forget the name of the thing one sees.

文章达到最高境界的，必定是其内心达到最高境界；内心达到最高境界的，必定是其道德达到最高境界。