If you do good you do it for yourself

اعوذ بالله من الشيطن الرجيم

Surah 17. Al-Isra, Verse 7:

إِنْ أَحْسَنتُمْ أَحْسَنتُمْ لِأَنفُسِكُمْ وَإِنْ أَسَأْتُمْ فَلَهَا 

Translation:

(And We said): "If you do good, you do good for your ownselves, and if you do evil (you do it) against yourselves."