Il n’y a pas moyen = It cannot be done.
Il fait valoir ses moyens = 1. He makes the best of his talents. 2. He boasts of his talents.
Cet enfant a peu de moyens = That child is not clever.
Mur
Je l’ai mis au pied du mur = I drove him into a corner; I made him decide one way or the other.
Muraille
*Muraille blanche, papier de fou = Fools write their names on walls.
[Late Latin: Stultorum calami, carbones mœnia chartae.]
Musique
Il est réglé comme un papier de musique = He is as regular as clockwork.