Fools who know they themselves are fools are wiser than these fools who do not know they themselves are fools
Imagine you have two friends. One friend, let's call him Alex, knows that he makes mistakes and doesn't know everything. He's okay with that and tries to learn from his mistakes. The other friend, let's call him Jamie, thinks he knows everything and never makes mistakes. He doesn't even try to learn because he thinks he's already smart.
Now, who do you think is wiser?
Alex is wiser because he knows he can improve. He's open to learning new things and fixing his mistakes. Even though he might make mistakes, he's always trying to get better. This makes him smarter over time.
Jamie, on the other hand, thinks he's already the smartest. He doesn't try to learn or fix his mistakes because he thinks he doesn't have any. This means he won't get any smarter, and he might keep making the same mistakes over and over.
So, fools who know they are fools are wiser because they are always trying to learn and improve. Fools who don't know they are fools might think they are smart, but they won't get any wiser because they don't try to learn.