People who are never wrong are not smart, they are "smartass". Same goes for people who "know it all". Being successfully smart means you recognize you don't k

People who are never wrong are not smart, they are "smartass". Same goes for people who "know it all". Being successfully smart means you recognize you don't know everything, but you also recognize you know quite a lot. And for things that you do know you are always looking for why these might be debunked. And for things you do not know, you know you can learn and become pretty confident you know them very quickly, to grasp concepts somewhat faster than other people.