ذٰلِكَ بِمَا قَدَّمَتۡ يَدٰكَ وَاَنَّ اللّٰهَ لَيۡسَ بِظَلَّامٍ لِّلۡعَبِيۡدِࣖ‏

That is for what your hands have put forth and because Allah is not ever unjust to [His] servants