Qur'ān 18:95 · Al-Kahf (الكهف)

قَالَ مَا مَكَّنِّى فِيهِ رَبِّى خَيْرٌۭ فَأَعِينُونِى بِقُوَّةٍ أَجْعَلْ بَيْنَكُمْ وَبَيْنَهُمْ رَدْمًا

He said, "That in which my Lord has established me is better [than what you offer], but assist me with strength; I will make between you and them a dam.