If I'm honest I have to tell you I still read fairy-tales and I like them best of all.

The only limit is the one you set yourself.

科学中最重要的不是获得新的事实，而是发现新的思考方式。

时间是小偷，但记忆是说谎者。

With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.

啊，但一个人的追求应该超越他的能力，否则天堂还有什么意义？