How to understand "The best joke is the truth, the best truth

Actually, the joke is about something that people do every day, but no one pays attention to it. This elegant thing and stupid thing are exactly the same thing, so when people say it, everyone Everyone understood it, and everyone laughed. So in fact, truth and fallacy can’t be distinguished by stupidity and intelligence, so let’s just talk about it. Therefore, truth is fallacy, and fallacy is truth. Truth cannot improve your wisdom. If you want to improve your wisdom, you can only jump out of truth and fallacy.