An empty vessel makes the loudest sound...

 

"It has often and confidently been asserted that man’s origin can never be known, but ignorance more frequently begets confidence than does knowledge: It is those who know little, and not those who know much, who so positively assert that this or that problem will never be solved by science." ‒ Charles Darwin

“An empty vessel makes the loudest sound, so they that have the least wit are the greatest babblers.” ‒ Plato

Recently, researchers at Yale proved that using a search engine to research a random topic makes people think that they know more about everything ‒ even topics unrelated to the question they just Googled.

In other words, a slight educational advantage creates a disproportional perceived knowledge advantage. Although we overestimate our abilities in general, where we are marginally competent, overestimation is exponentially worse.

This might explain why the most outspoken people are seldom the most knowledgeable…