The line came out of an essay about the app Cairn, at the end of a paragraph about visual restraint, and it was meant to stay there. The walls don't talk. Cairn is a room; you walk through it and notice what's there, and the walls carry color and texture and they don't address you.
Source: [Dev.to](https://dev.to/stalefishlabs/the-walls-dont-talk-how-stalefish-builds-4jjm)