Surah An-Nur, verse 49

وَيَقُولُونَ ءَامَنَّا بِٱللَّهِ وَبِٱلرَّسُولِ وَأَطَعْنَا ثُمَّ يَتَوَلَّىٰ فَرِيقٌۭ مِّنْهُم مِّنۢ بَعْدِ ذَٰلِكَ ۚ وَمَآ أُو۟لَـٰٓئِكَ بِٱلْمُؤْمِنِينَ ﴿٤٧﴾

But they [i.e., the hypocrites] say, "We have believed in Allāh and in the Messenger, and we obey"; then a party of them turns away after that. And those are not believers.

وَإِذَا دُعُوٓا۟ إِلَى ٱللَّهِ وَرَسُولِهِۦ لِيَحْكُمَ بَيْنَهُمْ إِذَا فَرِيقٌۭ مِّنْهُم مُّعْرِضُونَ ﴿٤٨﴾

And when they are called to [the words of] Allāh and His Messenger to judge between them, at once a party of them turns aside [in refusal].

أَفِى قُلُوبِهِم مَّرَضٌ أَمِ ٱرْتَابُوٓا۟ أَمْ يَخَافُونَ أَن يَحِيفَ ٱللَّهُ عَلَيْهِمْ وَرَسُولُهُۥ ۚ بَلْ أُو۟لَـٰٓئِكَ هُمُ ٱلظَّـٰلِمُونَ ﴿٥٠﴾

Is there disease in their hearts? Or have they doubted? Or do they fear that Allāh will be unjust to them, or His Messenger? Rather, it is they who are the wrongdoers [i.e., the unjust].

إِنَّمَا كَانَ قَوْلَ ٱلْمُؤْمِنِينَ إِذَا دُعُوٓا۟ إِلَى ٱللَّهِ وَرَسُولِهِۦ لِيَحْكُمَ بَيْنَهُمْ أَن يَقُولُوا۟ سَمِعْنَا وَأَطَعْنَا ۚ وَأُو۟لَـٰٓئِكَ هُمُ ٱلْمُفْلِحُونَ ﴿٥١﴾

The only statement of the [true] believers when they are called to Allāh and His Messenger to judge between them is that they say, "We hear and we obey." And those are the successful.