[natt941]

Most folks who do traditional epistemology would say that you could have very good justification yet fail to have knowledge because what you believe isn't true.

And yes, this probably means that in some sense, when you know something, you don't have direct access to the fact that this is knowledge. It's also often the case that you shouldn't be certain that you know. You can't perfectly ascertain whether you have knowledge... though you can have good reason to believe that you know something.

Most philosophers these days deny that knowledge requires either certainty or direct access. For instance, we know lots of things on the basis of testimony and other sorts of non-deductive evidence.

Pleasure chatting with you!