I will consider that this was the knowledge of the world.
There is an ancient wisdom: "You can feed people with fish, but it is better to teach them to fish themselves. It's safer to fight hunger. " This wisdom is permissible to rephrase: "You can teach a person his whole life, but it is better to teach him to acquire knowledge independently. This is more reliable for the spiritual development of man. " This goal is pursued by the theory of knowledge.