越是个人化的东西，越具有普遍性。

最好的儿童书籍是那些不会居高临下地对孩子说话的书籍。

在科学中最令人兴奋的短语，预示着新发现的，不是“我找到了！”而是“这有点奇怪...”

The historian must be a poet and an artist in order to give life to the dead bones of the past.

"The truth is rarely pure and never simple."