Is There a Difference Between an Opinion and a Fact?

I think we need to open ourselves up to our not knowing. I'm working on a book right now, it'll be out early in the next year where i talk about the traps we fall into as we are just going about our lives. And these traps, one of them is this trap of feeling like we know stuff and then struggling to find the difference between what we think and what's real. Like you can't tell the difference in a brain scan between somebody having an opinion and somebody remembering a fact. Our brains think they're the same. We have to get really careful withh we think is an opinion and what we think is a fact. Let's explore that a little bit