4:65
فَ لَا وَ رَبِّ كَ لَا يُؤْمِنُ ونَ حَتَّىٰ يُحَكِّمُ و كَ فِي مَا شَجَرَ بَيْنَ هُمْ ثُمَّ لَا يَجِدُ وا۟ فِىٓ أَنفُسِ هِمْ حَرَجًا مِّ مَّا قَضَيْ تَ وَ يُسَلِّمُ وا۟ تَسْلِيمًا
But no, by your Lord, they will not [truly] believe until they make you, [O Muhammad], judge concerning that over which they dispute among themselves and then find within themselves no discomfort from what you have judged and submit in [full, willing] submission.