You have to write the book that wants to be written. And if the book will be too difficult for grown-ups, then you write it for children.

所以君子努力做事就会日渐强大,安于嗜欲就日渐苟且,恭敬庄重就日益繁盛。

水从山上流到滩头不是有意的，白云从洞中穿过也是无心的。

The world is everything that is the case.

对于每一位专家，都会有一个同等的或者完全相反的专家。但对于每一个事实，并不一定就有一个同等的或者相反的事实存在。