17فَلا تَعلَمُ نَفسٌ ما أُخفِيَ لَهُم مِن قُرَّةِ أَعيُنٍ جَزاءً بِما كانوا يَعمَلونَAhmed & SamiraSo no self knows what I hide for them from an eyes'/sights' delight/satisfaction , a reward/reimbursement because (of) what they were making/doing .