The phrase comes from Emmanuel Macron's second televised address on the coronavirus pandemic, delivered in March 2020 as France prepared for a national lockdown. Speaking directly to the nation, he repeated that the country was at war with an invisible enemy, and the line quickly became the speech's most quoted moment. Clipped and shared online, it moved beyond news coverage into memes, reaction videos and edits, where its formal, wartime framing now adds instant drama to both serious commentary and everyday struggles.