公元前5世纪,在历史上是一个注定要诞生巨星的时代,当老子正当年时,孔子、释迦牟尼诞生了,接着还有苏格拉底。孔子是这个世界上迄今以来最伟大的思想家之一(图1,四位世界名人,孔子列在其中,此为20世纪 In the 5th century BC, it was an era in history that was destined to be a superstar. When Lao Tzu was in that year, Confucius and Sakyamuni were born, followed by Socrates. Confucius is one of the greatest thinkers in the world by far (Figure 1, four famous celebrities in the world, Confucius, which is the 20th century