We do. Just because something that was found to be true sounds completely plausible a posteriori doesn't mean everything that sounds plausible a priori is true.

We do. Just because something that was found to be true sounds completely plausible a posteriori doesn't mean everything that sounds plausible a priori is true. I remember Al Gore quoting Mark Twain in an Inconvenient Truth: "It's not the things we don't know that gets us into trouble, it's the things we know for sure that just aint so."