'A'idh bin 'Amro al-Muzani (RAA) narrated that The Messenger of Allah (ﷺ) said:
"Islam is always superior and should never be surpassed." Related by Ad-Daraqutni. (JA)
English reference (JA): Book 11, Hadith 1349 (JA)
Arabic reference (JA): Book 11, Hadith 1323 (JA)