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




Yusuf Ali (Surat Al-Baqarah (The Cow) #2 of 114, verse #245 of 286)

Who is he that will loan to Allah a beautiful loan, which Allah will double unto his credit and multiply many times? It is Allah that giveth (you) Want or plenty, and to Him shall be your return.