I hate to be that guy, but here I am.
I went to Berlin last week and as I don't speak the language and was kinda lost, I ended up buying the wrong ticket for the subway. I bought the short-trip one and the controller caught me when I was on the fourth station.
He naturally fined me. My question is: should I pay for it or not? Because some friends told me to and some others told me not to... Money isn't a problem, really, but I don't see why should I pay if I didn't do it with bad intentions - it was only misinformation.
Thanks in advance.

Pic not related. Duh.