Then how can you fear, if you disbelieve, a Day that will make the children white- haired?
The Saheeh International Quran Translation
فَكَيْفَ تَتَّقُونَ إِن كَفَرْتُمْ يَوْمًا يَجْعَلُ ٱلْوِلْدَٰنَ شِيبًاThen how can you fear, if you disbelieve, a Day that will make the children white- haired?