The line comes from Kingsman: The Secret Service (2014), Matthew Vaughn's spy action film, where Colin Firth's Harry Hart speaks it in a pub moments before single-handedly defeating a group of thugs. 'Manners maketh man' became the film's defining quote and a staple of gentleman-meme culture, circulating alongside other iconic movie one-liners such as It was at this moment he knew. The Spanish dub, 'Los modales hacen al hombre,' is widely shared on Latin American and Spanish soundboards, where its formal tone makes it a favorite button for classy retorts.