Surah At-Tawbah (التوبة) Ayah 87 - Tafsir

رَضُوا۟ بِأَن يَكُونُوا۟ مَعَ ٱلْخَوَالِفِ وَطُبِعَ عَلَىٰ قُلُوبِهِمْ فَهُمْ لَا يَفْقَهُونَ

"They were satisfied to be with those who stay behind, and their hearts were sealed over, so they do not understand."