How great can a father be?

It's quite touching to see such a problem. I just finished watching a TV series "Jong Shuai" and strongly recommend it to everyone. Maybe I will get an answer. In the play, Zhang Zuo Lin often mentioned Zhang Xueliang to people. He said, "When Zhang Xueliang was born, he had divined with a fortune teller. Mr. Zhang replied that he was a father and son in this life and a friend in previous lives."

Before Zhang died unexpectedly, Zhang Xueliang always thought that he was living in the shadow of his father. After Zhang Zuo Lin's unexpected death, Zhang Xueliang recalled that his whole growth process could not be separated from his father's help, and he wept bitterly.

Perhaps father and son are natural enemies, but the greatness of father is beyond our knowledge.