In the long and often turbulent history of nations speaking past one another, France and Iran have reached another moment of deliberate rupture. Tehran's closure of a French-language centre in the Iranian capital — accused of cloaking recruitment and elite cultivation beneath the guise of grammar lessons — has prompted Paris to summon Iran's ambassador and weigh further measures. The incident is not isolated: it follows the detention of French diplomats in August and a physical assault on embassy staff in July, forming a pattern that suggests the erosion of whatever diplomatic trust once held