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

Every tree planted today is a legacy for tomorrow.

"The moment of betrayal is the worst, the moment when you know beyond any doubt that you've been betrayed: that some other human being has wished you that much evil."

物理学家必须有一种信念，即宇宙是由理性且可理解的规律所支配的。

写作不仅是一门艺术；它是一种必需品，一种将生命注入思想的方式。

我总是试图将我的弱点转化为优势。