That's a pretty immature statement. But science admits when it's wrong whereas religion will burn you at the stake/behead you/ cover up abuse by priests etc instead of admitting that they're wrong.
Telling someone to get "real" while talking about the invisible space daddy you think created the universe...
So you're a teenager who isn't smart enough to understand irony. What else is on your resumè that qualifies you to know the secrets of the universe?