"Upon the disbelievers, not easy" — they shall have no share of its ease, for it is only easy for the believers. Explanation of Surah Al-Muddaththir from verse (11-30).
﴿على الْكَافرين غير يسير﴾ لَيْسَ لَهُمْ مِنْ يُسْرِهِ شَيْءٌ وَإِنَّمَا يُسره للْمُؤْمِنين. تَفْسِير سُورَة المدثر من آيَة (١١ - ٣٠)