Al-Muddaththir • EN-AL-JALALAYN
﴿ عَلَى ٱلْكَٰفِرِينَ غَيْرُ يَسِيرٍۢ ﴾
“not of ease, for all who [now] deny the truth!”
for the disbelievers not at all easy herein is an indication that it will be easy for believers despite its harshness.