80: At-Tawwab
Below is a reference to the Beautiful Name of Allah in Quran or Hadith:
Yusuf Ali (Surat Al-Baqarah (The Cow) Surah #02 of 114, Verse #37 of 286)
Then learnt Adam from his Lord words of inspiration, and his Lord Turned towards him; for He is Oft-Returning, Most Merciful.