He has no idea, just how much he doesn’t know. Because he only has a little knowledge of the field, he doesn’t know that it’s way more extensive than that. And because he doesn’t know, what he doesn’t know, he thinks he knows 90% about photography. Meanwhile, experts tend to be aware of just how knowledgeable they are. But they often make a different mistake: they assume that everyone else is knowledgeable as well, mostly because others exert so much confidence. In this instance, the photographer is aware he only knows about 70%. But if he met someone like Mike, he would underestimate himself. 90% is better than 70% after all. We are all susceptible to the Dunning-Kruger effect. But how can we prevent ourselves from falling prey to it? Well the answer is, you should strive to educate yourself as much as possible.
You’re not expected to know everything after all. Thinking you’re always right is a clear sign of foolishness. It seems that the more knowledge people have, the more they realize how little they know in reality. In other words, the more people know about a certain issue, the more they realize how complicated, unexplored and extensive it is, and how many things they do not understand