ask if you dont know

Most of the people when it comes to first time in their life everything is new! There are people who are born with intelligence and think logic, some call them genius others call them nerds. whatever you call they invented many real stuffs and we apply those theories in our day to day life. Well there are also people who think that they know everything. But the truth is they know nothing. what we call them? To all of them i say, ask if you don't know...