自由社会的原则对于人类进步和繁荣至关重要。

A man of genius makes no mistakes. His errors are volitional and are the portals of discovery.

"In observational studies, we often have to rely on assumptions that are not directly testable."

"The past is never dead; it’s not even past."

爱是永恒的宽恕行为，是化作习惯的温柔凝视。