Surah Al-Muzzammil, Ayah 17
Quran 73:17 · The Enshrouded One · Makki · Para 29 · Page 577
فَكَیْفَ تَتَّقُوْنَ اِنْ كَفَرْتُمْ یَوْمًا یَّجْعَلُ الْوِلْدَانَ شِیْبَا ۟ۗۖ
Transliteration
Fakayfa tattaqoona in kafartum yawmanyajAAalu alwildana sheeba
Saheeh International
Then how can you fear, if you disbelieve, a Day that will make the children white-haired?
Al-Mukhtasar fi Tafsir
So how will you protect yourselves - if you reject Allah and deny His messenger - from a long, severe day that will make the head of young children white because of the severity of its horror and its length.
Tafsir Ibn Kathir (abridged)
Explains 73:10–73:18 together — read it on 73:10