In fact, whether you want to say that Jianghu is secular, difficult to deal with, and impossible to fully understand, or "you go your own way, I will cross my wooden bridge", some people say that "calculating with your heart is just as wrong, but thinking wider."

What is Jianghu? A word from Zhang: Jianghu is worldly wisdom. It is a sentence that Zhang Zuo Lin often said when teaching Zhang Xueliang, and it is also the wisdom of life left by a father to his children. Jianghu is worldly wisdom. This sentence can be said to be a true portrayal of Zhang's life experience and his life. Zhang started in Jianghu and ended in Jianghu.