A good book should be an axe to break the frozen sea within us.
一本好书应该是劈开我们内心冰海的斧头。
人们变得文明,不在于他们愿意相信的程度,而在于他们愿意怀疑的程度。
The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.