فَكَيۡفَ تَتَّقُونَ إِن كَفَرۡتُمۡ يَوۡمٗا يَجۡعَلُ ٱلۡوِلۡدَٰنَ شِيبًا
Fakaifa tattaqoona in kafartum yawmany yaj'alul wildaana sheeba
English Translation
Then how can you fear, if you disbelieve, a Day that will make the children white- haired
— Saheeh International