وَقَالَ
ٱلَّذِينَ
كَفَرُوا۟
لَوْلَا
نُزِّلَ
عَلَيْهِ
ٱلْقُرْءَانُ
جُمْلَةًۭ
وَٰحِدَةًۭ ۚ
كَذَٰلِكَ
لِنُثَبِّتَ
بِهِۦ
فُؤَادَكَ ۖ
وَرَتَّلْنَـٰهُ
تَرْتِيلًۭا
٣٢
The disbelievers also say, ‘Why was the Quran not sent down to him all at once?’ We sent it in this way to strengthen your heart [Prophet]; We gave it to you in gradual revelation.
M.A.S. Abdel Haleem