科学的进步不是一条直线，而是一系列曲折，常常需要回溯步骤以获得更好的立足点。

要理解疯狂，必须先说它的语言。

医学研究是一场马拉松，而不是短跑——耐力比速度更重要。

"世界是一个舞台，但演员选得很糟糕。"

关系模型基于谓词逻辑和集合论。

Every seed planted today is an investment in tomorrow's food supply.

Money can buy comfort, but not the deeper satisfactions of life.

In the midst of difficult times， it is our response that defines us， not the circumstances.

I’m a great believer in solving hard problems by using a checklist. You need to get all the likely and unlikely answers before you; otherwise it’s easy to miss something important.

诗歌是人类存在的唯一具体证明。