Uses a lot of big words and ideas.
I don't mean "smart" like those friends of yours who choose words other than "amazing" and "legit" and speak in complete sentences.
He's much, much smarter.
I've been struggling through one of his books, The Weight of Glory and it's all I can do to get through a few pages (sometimes even only paragraphs) at a time and digest all of his words. And then I have to take a break and recover.
I believe in Christianity as I believe the sun has risen, not only because I see it but because, by it, I see everything else. CS Lewis