Always glad when HN discovers the existence of a learned scholar, atop their field, who's spent decades studying a truly hard thing and an HNer decides that, in

Always glad when HN discovers the existence of a learned scholar, atop their field, who's spent decades studying a truly hard thing and an HNer decides that, in fact, the True Thing They Needed to Understand was there all along, and it is in fact the kind of thing that most reassures the sayer.