First, step by step.
Take the fact that the prince was abolished and the boss was banned, these two things cannot be separated from the third one. At that time, why didn't the third child report it earlier and later, but when the prince was about to be abolished, he reported to the boss that he was the prince of Magic Town? His intention is obvious, because Kangxi was angry at this time, and it was enough that the prince was abolished. If the boss gets involved in such a thing again, he will undoubtedly be punished more severely.
Second, know how to do what you want to do.
When I say follow one's inclinations here, I mean Emperor Kangxi. At that time, the Qing Dynasty came down on horseback, but it was impossible to rule the world by force alone, so Kangxi attached great importance to the study of China culture. Having made this clear, all the princes in the Qing Dynasty began to study China culture attentively. At this time, the third son brought his talent to the extreme. He assembled a group of scholars to compile books, which won the appreciation of Kangxi.
Third, know how to assess the situation.
At that time, after the death of Kangxi, it was the fourth son who promulgated the succession. At this time, Lao Ba and several other princes refused to admit it, but seeing the present situation, Lao San began to be silent and quietly became a bystander. After confirming that the heir to the throne was Lao Si, he was the first one to kneel down, which also confirmed his later position and cleared up his relationship with Lao Ba.