"Expecting the world to treat you fairly because you are a good person, is expecting the lion not to eat you because you're vegetarian."
(No idea who said it. But Mr. Big B tweeted about it. Too lazy to Google for the original author right now. For all I know it may be an original from Big B)
That's food for thought, what? If you don't like the pun, I beg your pardon.
The picture is paradoxical of course. We'll never give up, will we?