Sayyidah Umm Salamah (may Allah be pleased with her) used to say: Sayyiduna Ali (may Allah be pleased with him) is upon the truth. Whoever follows him follows the truth, and whoever abandons him abandons the truth. This is a covenant that was made before this day of his.
Al-Tabarani recorded this narration. Its chain contains a narrator, Malik bin Ja'unah, whom I do not know; the rest of the narrators of one of the two chains are thiqat (trustworthy).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب المناقب / 14768
Hadith Gradingمحدثین:إسنادہ ضعیف
Hadith Takhrij«اخرجه الطبراني فى المعجم الكبير (329/23)»