I must study politics and war that my sons may have liberty to study mathematics and philosophy.
哲学实际上应该只被写作一种诗歌形式。
The best designs are those that combine functionality with aesthetics.
当一个孩子问出一连串的「为什么」的时候,最聪明的回复就是「我不知道,你是怎么想的呢?」