Quran 3:67 from Surah Aal-i-Imraan on Divine Marvels.
مَا كَانَ إِبۡرَٰهِيمُ يَهُودِيّٗا وَلَا نَصۡرَانِيّٗا وَلَٰكِن كَانَ حَنِيفٗا مُّسۡلِمٗا وَمَا كَانَ مِنَ ٱلۡمُشۡرِكِينَ
English translation: Not was Ibrahim a Jew and not a Christian and but he was a true Muslim and not he was from the polytheists
Transliteration: ma kana ib'rahimu yahudiyyan wala nasraniyyan walakin kana hanifan mus'liman wama kana mina al-mush'rikina