The relation between what we see and what we know is never settled.
《三民主义·民权主义·第三讲》(1924年)
知识不会使我们更丰富;它使我们越来越远离神秘世界——这个我们曾经的天然家园。
The beauty of computer science is that it allows us to create worlds within worlds, limited only by our imagination.