{مَنْ عَمِلَ صَالِحًا فَلِنَفْسِهِ ۖ وَمَنْ أَسَاءَ فَعَلَيْهَا ۖ ثُمَّ إِلَىٰ رَبِّكُمْ تُرْجَعُونَ} [الجاثية : 15]
( 15 ) Whoever does a good deed - it is for himself; and whoever does evil - it is against the self. Then to your Lord you will be returned. [Sura: Al-Jaathiya, Aya: 15]
link: http://quran.ksu.edu.sa/index.php?aya=45_15