Religion is the best example of superstition.
Guy 1: Oh no, I'm gonna get ran over by a car!
Guy 2: Why? Do you plan to run into
the street?
Guy 1: Uh, no! I saw a
black cat running past me a few yards away on my way here. That's a sign something bad is gonna happen, and I'm scared of cars too...
Guy 2: Ok, you're just being
superstitious. Next thing you'll tell me is that psychics are actually psychic.
Guy 1: But... they are.
Guy 2: -__-