It's never gauche to quote Marx.[1] Especially Groucho. He wasn't a director, though, as far as I can tell.[2]

[1] https://m.imdb.com/name/nm0000050/quotes

[2] https://en.wikipedia.org/wiki/Groucho_Marx

"director" is probably a reference to Woody Allen quoting Groucho Marx in Annie Hall [1]. It's a great movie btw. Comes highly recommended from Roger Ebert [2].

[1] https://www.youtube.com/watch?v=ejnp589JuL0

[2] https://www.rogerebert.com/reviews/great-movie-annie-hall-19...