“It is not who is right but what is right that is of important.” -Thomas Huxley. The problem with my wording is that our language lacks a demand tense, so it seems more like I’m telling you that I forgot who was right; that’s not a great standpoint for an advice-giving sign.
This is actually an idea that I think on often. People choose sides and put each other into boxes based on labels and automatically assume that what the other side says is wrong and that nobody who lives in a different box can have a good idea. There’s nothing wrong with hanging out with like-minded people from time to time but if you ever sat down and wrote out your honest positions on a few issues, you might be surprised to see whose “side” you’re really on.