Quran Al-Baqarah 2:250
وَلَمَّا بَرَزُواْ لِجَالُوتَ وَجُنُودِهِۦ قَالُواْ رَبَّنَآ أَفۡرِغۡ عَلَيۡنَا صَبۡرٗا وَثَبِّتۡ أَقۡدَامَنَا وَٱنصُرۡنَا عَلَى ٱلۡقَوۡمِ ٱلۡكَٰفِرِينَ
Translation
And when they went forth to [face] Goliath and his soldiers, they said, "Our Lord, pour upon us patience and plant firmly our feet and give us victory over the disbelieving people."