痛苦+反省=进步

一家公司的遗产是由其对世界的贡献来定义的。

教育的艺术必须从教育的科学中汲取其法则。

在科学中最令人兴奋的短语，预示着新发现的，不是“我找到了！”而是“这有点奇怪...”

To be alive is to be mortal. To be alive is to be, from moment to moment, a survivor.

The problem with the world is that the intelligent people are full of doubts, while the stupid ones are full of confidence.