(Qasas) 28 : 24
فَسَقَىٰ لَهُمَا ثُمَّ تَوَلَّىٰ إِلَى الظِّلِّ فَقَالَ رَبِّ إِنِّي لِمَا أَنْزَلْتَ إِلَيَّ مِنْ خَيْرٍ فَقِيرٌ

So he watered for them, then he went back to the shade and prayed: "My Lord! Indeed I am in need for whatever good You would send down to me".