Wit is an old word for intellect, expressed with metaphore. I've a working definition of all three. Metaphore is madness. There is nothing to understand in the first place. No-one can understand anything at all.
Opinion is nothing.
If you do this, you create your own fallacy. Any philosophy is really nothing. If I understand perfectly what I have said in a rant when I re-read it, and everyone else says I have no clue what am talking about, this means nothing. I know what I am talking about. You have your experiences, I have mine.