40إِنَّ اللَّهَ لا يَظلِمُ مِثقالَ ذَرَّةٍ ۖ وَإِن تَكُ حَسَنَةً يُضاعِفها وَيُؤتِ مِن لَدُنهُ أَجرًا عَظيمًا(Irfan-ul-Quran)Surely, Allah does not do (even) an iota of injustice and if there be a good work, He doubles it and grants from His Presence an immense reward.