A simple cup of coffee is often forgotten before the last sip cools. Yet, in Turkish culture, there is a saying that refuses to let such a moment disappear so easily: “Bir fincan kahvenin kırk yıl hatırı vardır.” Literally, “A single cup of coffee is remembered for forty years.” It sounds poetic, but it carries a precise moral logic—one that turns a small act of hospitality into a lasting social bond.