This paper points out that the ideology of Lao-zi was originated from Guicang but not from Zhouyi.
《老子》五千言的思想源自殷易《坤乾》（即《归藏》），不是源自《周易》。
2
I am not teasing LaoZi, but the level of recognization a thousand years ago is far behind that of today.
不要以为我在调侃老子，而是千年前的认知与现在的认知是肯定落后的。
3
Ancient Greece produced great philosophers like Socrates, Plato and Aristotle, while China produced great thinkers such as LaoZi, Confucius, Zhuang Zi and Sun Zi.