Unfortunately pointedly leaving out the fifth, who haunts us now, who does not know, yet thinks he knows. Which consists of most authors of various scriptures.
📜 Wisdom: One of the sages said: People are of four kinds. The first is one who knows, and knows that he knows. He is a scholar; follow him. Another knows, but does not know that he knows. He is forgetful; remind him... (Continued in the comments and alt text.)