[刨根问底】孔子晚年时,对《周易》产生了极大的兴趣。但是这本书非常深奥难懂,孔子下了决心,无论读多少遍,也要读通它。那时候的书都是用竹简制成的,竹简之间需用坚韧的牛皮绳儿编连起来,才能阅读。孔子花了很大的精力,把《周易》全部读了一遍,基本了 [Roots] Confucius in his later years, on the “Book of Changes” had a great interest. However, this book is very esoteric and difficult to understand. Confucius made up his mind to read it no matter how many times he read it. At that time the book is made of bamboo slips, between the bamboo slips need to use tough leather rope knit together, to read. Confucius spent a lot of energy, the “Book of Changes” read it all again, basic