Az-Zalzalah - 99:7

فَمَن يَعْمَلْ مِثْقَالَ ذَرَّةٍ خَيْرًا يَرَهُ
[99:7]
So. he who has done an atom's weight of good shall see it
Then shall anyone who has done an atom's weight of good, see it!
And whoso doeth good an atom's weight will see it then,