His point seemed to be that experts who don't know how to converse with non-experts aren't really expert enough to hold the title. If you don't know what concep

His point seemed to be that experts who don't know how to converse with non-experts aren't really expert enough to hold the title. If you don't know what concepts you had to use to learn the material, then how can you trust your conclusions? It's sort of like saying that a mathematician who doesn't know how to prove their results to one who only knows the axioms doesn't fully understand their results.