54 – Jābir (may Allah be pleased with him) narrated that the Messenger of Allah ﷺ used to say in his sermons: “To proceed: the finest speech is the Book of Allah, the best guidance is the guidance of Muhammad ﷺ, and the worst matters are those newly introduced; every bidʿah is misguidance.” Muslim recorded it in his Ṣaḥīḥ.

55 – ʿĀʾishah (may Allah be pleased with her) reported that the Messenger of Allah ﷺ said, “Whoever introduces into this affair of ours anything that is not part of it, it is rejected”—that is, it will be cast back.

56 – ʿAbd Allāh ibn ʿUkaym narrated that ʿUmar ibn al-Khaṭṭāb (may Allah be pleased with him) used to say, “The truest speech is the speech of Allah; indeed, the best guidance is the guidance of Muhammad, while the worst matters are those newly introduced, and every newly introduced matter is a bidʿah, and every bidʿah is misguidance.”

57 – Al-Aswad ibn Hilāl reported that ʿAbd Allāh ibn Masʿūd (may Allah be pleased with him) said, “The best guidance is the guidance of Muhammad ﷺ, and the best speech is the speech of Allah. You will certainly innovate and new matters will be innovated for you; every newly introduced matter is a bidʿah, and every bidʿah is in the Fire.”