Al-Baqarah 2:249

فَلَمَّا فَصَلَ طَالُوتُ بِٱلۡجُنُودِ قَالَ إِنَّ ٱللَّهَ مُبۡتَلِيكُم بِنَهَرٖ فَمَن شَرِبَ مِنۡهُ فَلَيۡسَ مِنِّي وَمَن لَّمۡ يَطۡعَمۡهُ فَإِنَّهُۥ مِنِّيٓ إِلَّا مَنِ ٱغۡتَرَفَ غُرۡفَةَۢ بِيَدِهِۦۚ فَشَرِبُواْ مِنۡهُ إِلَّا قَلِيلٗا مِّنۡهُمۡۚ فَلَمَّا جَاوَزَهُۥ هُوَ وَٱلَّذِينَ ءَامَنُواْ مَعَهُۥ قَالُواْ لَا طَاقَةَ لَنَا ٱلۡيَوۡمَ بِجَالُوتَ وَجُنُودِهِۦۚ قَالَ ٱلَّذِينَ يَظُنُّونَ أَنَّهُم مُّلَٰقُواْ ٱللَّهِ كَم مِّن فِئَةٖ قَلِيلَةٍ غَلَبَتۡ فِئَةٗ كَثِيرَةَۢ بِإِذۡنِ ٱللَّهِۗ وَٱللَّهُ مَعَ ٱلصَّـٰبِرِينَ 249

And when Saul went forth with the soldiers, he said, "Indeed, Allah will be testing you with a river. So whoever drinks from it is not of me, and whoever does not taste it is indeed of me, excepting one who takes [from it] in the hollow of his hand." But they drank from it, except a [very] few of them. Then when he had crossed it along with those who believed with him, they said, "There is no power for us today against Goliath and his soldiers." But those who were certain that they would meet Allah said, "How many a small company has overcome a large company by permission of Allah. And Allah is with the patient