The highest form of ignorance is when you reject something you don't know anything about.

工具变量的美妙之处在于它们让我们以新的视角看世界。

The use of COBOL cripples the mind; its teaching should, therefore, be regarded as a criminal offense.

在奥林匹克誓言中，我只要求一件事：体育忠诚。

科学严谨性绝不能因商业压力而妥协。

电流体并非由仪器创造，而是由仪器收集。