历史学家必须怀有一种信念：人类不会也不能灭亡。
The historian must have a kind of faith that humanity will not and cannot perish.
了解这个世界就是爱它，而爱它就是为它哀伤。
赏析：指出灵巧的人和聪明的人往往会因为自己的才能而劳累和忧虑，而没有才能的人则没有太多的追求和烦恼。
真正的喜悦精神、崇高感、超越人类的感觉，这是最高卓越的试金石，在数学中同样可以在诗歌中找到。
我们若能大笑世事无常，好好活一场，死神也会战栗一旁。
Education is the ability to listen to almost anything without losing your temper or your self-confidence.
You can be the ripest, juiciest peach in the world, and there's still going to be somebody who hates peaches.