2:250 · Al-Baqara
وَلَمَّا بَرَزُوا لِجَالُوتَ وَجُنُودِهِ قَالُوا رَبَّنَا أَفْرِغْ عَلَيْنَا صَبْرًا وَثَبِّتْ أَقْدَامَنَا وَانْصُرْنَا عَلَى الْقَوْمِ الْكَافِرِينَ
When they advanced to meet Goliath and his forces, they prayed: "Our Lord! Pour out constancy on us and make our steps firm: Help us against those that reject faith."