Clue: the answer is not "facial hair"

Give up? You might as well, because you’re not going to guess. It’s that they all brightened up my lunchtime today, courtesy of the always-fascinating Letters of Note and its upstart sibling Lists of Note. Stop what you’re doing and read all three of them: it’s worth it.

Stanley Kubrick’s list of titles in search of a script

Thelonious Monk’s advice to musicians

Groucho Marx’s letter to the Franklin Corporation

You’re welcome.