“ Man can learn nothing except by going from the known to the unknown. 除了从已知到未知,人什么也学不到。 Claude Bernard 克劳德·伯纳德
“ Order is a necessary condition for anything the human mind is to understand. 秩序是任何人类头脑能够理解的事物的必要条件。 Rudolf Arnheim 鲁道夫·阿恩海姆