Bidaah Innovation in Ibadah [worship, i.e. all acts of submission to Allah, as defined in Qur'an and Sunnah]
Hadith - Al-Tirmidhi #5142, Narrated AbuBakr as-Siddiq [RA]
You people recite this verse, "You who believe, care for yourselves; he who goes astray cannot harm you when you are rightly guided." I heard Allah's Messenger SAAWS say, "When people see something objectionable and do not change it, Allah will soon include them all in His punishment." [Ibn Majah and Tirmidhi, who declared it to be sahih, transmitted it.]
Hadith - Bukhari, Volume 3, Book 49, Number 861. Narrated Aisha, r.a.
Allah's Apostle SAAWS said, "If somebody innovates something which is not in harmony with the principles of our religion, that thing is rejected."
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