Al Hijr Ayah 88
لَا تَمُدَّنَّ عَيْنَيْكَ إِلَىٰ مَا مَتَّعْنَا بِهِۦٓ أَزْوَٲجًا مِّنْهُمْ وَلَا تَحْزَنْ عَلَيْهِمْ وَٱخْفِضْ جَنَاحَكَ لِلْمُؤْمِنِينَ ٨٨
Do not let your eyes crave the ?fleeting? pleasures We have provided for some of the disbelievers, nor grieve for them. And be gracious to the believers.