Al-Hijr 15:88

لَا تَمُدَّنَّ عَيۡنَيۡكَ إِلَىٰ مَا مَتَّعۡنَا بِهِۦٓ أَزۡوَٰجٗا مِّنۡهُمۡ وَلَا تَحۡزَنۡ عَلَيۡهِمۡ وَٱخۡفِضۡ جَنَاحَكَ لِلۡمُؤۡمِنِينَ 88

Do not extend your eyes toward that by which We have given enjoyment to [certain] categories of the disbelievers, and do not grieve over them. And lower your wing to the believers