“Every man has seen the wall that limits his mind.”
Alfred De Vigny book Poèmes philosophiques
Tout homme a vu le mur qui borne son esprit.
Poèmes philosophiques, "La flute", line 108; (ed.) Paul Viallaneix Oeuvres complètes (1965) p. 103; translation from Jason Merchey Values of the Wise (2004) p. 200. (1843).
