4:40 in-nal-laaha laa yaZlimu mithqaala dhar-rah* wa in taku Hasanatay yuDaa'Ifhaa wa yu'ti mil ladunhu ajran 'AZiymaa

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Ahmed Raza Khan: Mohammed Aqib Qadri:
Allah does not commit even the least injustice; and if there is a good deed, He doubles it and gives from Himself a great reward.

Yusuf Ali:
Allah is never unjust in the least degree: If there is any good (done), He doubleth it, and giveth from His own presence a great reward.

Pickthal:
Lo! Allah wrongeth not even of the weight of an ant; and if there is a good deed, He will double it and will give (the doer) from His presence an immense reward.