Al-Mukhtasar
فَكَيْفَ تَتَّقُونَ إِن كَفَرْتُمْ يَوْمًا يَجْعَلُ ٱلْوِلْدَٰنَ شِيبًا ﴿١٧﴾
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.