一个学生问:“我们的眼睛为什么不对着长,使两只眼睛对看,可以马上看到自己的样子,不必担心牙齿上有菠菜屑,也不必担心嘴边饭屑?”这是很好的问题,很多动物的眼睛都是长在两边,至少它看的范围广,不像人类,脑后无眼,被人暗杀了都不知道是怎么死的。的确,诚如孔子所说,“人苦于不 One student asks: “Why do not our eyes look right and make both eyes look right now and see what they are like right now, without having to worry about spinach crumbs on their teeth or having to worry about mouth-cutting meals?” This is good Problems, many animal eyes are long on both sides, at least it looks at a wide range, unlike humans, behind the scenes, were assassinated do not know how to die. Indeed, as Confucius said, "people suffer from no