As Sajdah Ayah 17
فَلَا تَعْلَمُ نَفْسٌ مَّآ أُخْفِىَ لَهُم مِّن قُرَّةِ أَعْيُنٍ جَزَآءَۢ بِمَا كَانُواْ يَعْمَلُونَ ١٧
No soul can imagine what delights are kept in store for them as a reward for what they used to do.
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