历史学家必须兼具诗人和哲学家的特质。

人是他的选择。

一个民族的活力随天气和季节而变化。

In the end， we will remember not the words of our enemies， but the silence of our friends.

Grief is a private thing. It takes as long as it takes.

教育的真正价值不仅在于事实的积累，而在于训练思维进行批判性和创造性的思考。