[If Mat had eyebrows, he'd have raised them in perplexity. He turns the question over in his mind, eyeing Jon through narrowed slits of silver. May as well ask him how many stars in the skies or grains of sands on the continent!]

My friend, I could not even begin to sum up the entirety of my knowledge. A great many things? A decent portion of various subjects? Fuck me, what kind of question is that?

[This feels like some sort of existential crisis is happening.]