Surah Al-Insan Verse 19

۞ وَيَطُوفُ عَلَيْهِمْ وِلْدَانٌ مُخَلَّدُونَ إِذَا رَأَيْتَهُمْ حَسِبْتَهُمْ لُؤْلُؤًا مَنْثُورًا

There will circulate among them young boys made eternal. When you see them, you would think them [as beautiful as] scattered pearls