(Al-Insan) 76 : 19
وَيَطُوفُ عَلَيْهِمْ وِلْدَانٌ مُخَلَّدُونَ إِذَا رَأَيْتَهُمْ حَسِبْتَهُمْ لُؤْلُؤًا مَنْثُورًا
Perpetual boys will be strolling around them; if you see them, you will reckon that they are the scattered pearls.
See explanation 52: 24.