Fussilat 41:26

وَقَالَ الَّذِينَ كَفَرُوا لَا تَسْمَعُوا لِهَٰذَا الْقُرْآنِ وَالْغَوْا فِيهِ لَعَلَّكُمْ تَغْلِبُونَ ٢٦

Waqala allatheena kafaroo la tasmaAAoo lihatha alqurani wailghaw feehi laAAallakum taghliboona

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“Those who disbelieve say: Heed not this Qur’an, and drown the hearing of it; haply ye may conquer.” (41:26)