Below is a reference to the Beautiful Name of Allah in Quran or Hadith: 

3:30

Yusuf Ali (Surat 'Āli `Imrān (Family of Imran) Surah #03 of 114, Verse #30 of 200)
"On the Day when every soul will be confronted with all the good it has done, and all the evil it has done, it will wish there were a great distance between it and its evil. But Allah cautions you (To remember) Himself. And Allah is full of kindness to those that serve Him."