学习必须是为了切实提升自己，这样才能安静专一，智慧日渐增长。

奶牛养殖既是一门艺术也是一门科学——尊重两者对于成功至关重要。

So given a Time Turner, I would tell my 21-year-old self that personal happiness lies in knowing that life is not a check-list of acquisition or achievement. Your qualifications, your CV, are not your life, though you will meet many people of my age and older who confuse the two. Life is difficult, and complicated, and beyond anyone’s total control, and the humility to know that will enable you to survive its vicissitudes.

一个民族的文化是一组文本的集合，而这些文本本身也是集合，人类学家努力从这些文本的真正拥有者的肩膀上方去阅读它们。

唯一能让你勇敢的是你自己的恐惧。

量子电动力学的发展表明，粒子的概念并不像曾经认为的那样简单。