Dalil

Quran Al-Kahf 18:95

قَالَ مَا مَكَّنِّي فِيهِ رَبِّي خَيۡرٞ فَأَعِينُونِي بِقُوَّةٍ أَجۡعَلۡ بَيۡنَكُمۡ وَبَيۡنَهُمۡ رَدۡمًا

Translation

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