Rabah bin Abdur Rahman narrates from his grandmother that she heard from her father that I heard the Prophet (peace be upon him) say: The prayer of the one who does not perform ablution is not valid, and the ablution of the one who does not mention the name of Allah in it is not valid, and the one who does not believe in me cannot be a believer in Allah, and the one who does not love the Ansar cannot be a believer in me.
Hadith Referenceمسند احمد / مسند المدنيين رضي الله عنهم اجمعين / 16651
Abdullah ibn Ahmad said: Shaiban narrated to us, he said: Yazid ibn ‘Iyad narrated to us, from Abu Thifal with this hadith, and he said: She heard her father Sa‘id ibn Zayd.
Hadith Referenceمسند احمد / مسند المدنيين رضي الله عنهم اجمعين / 16652