Surah As-Sajdah, ayah 17

32:17

فَلَا تَعۡلَمُ نَفۡسٞ مَّآ أُخۡفِيَ لَهُم مِّن قُرَّةِ أَعۡيُنٖ جَزَآءَۢ بِمَا كَانُواْ يَعۡمَلُونَ ١٧

Falā ta'lamu nafsum mā ukhfiya lahum min qurrati a'yunin jazā'a bimā kānū ya'malūn

And no soul knows what has been hidden for them of comfort for eyes [i.e., satisfaction] as reward for what they used to do.