The Islamic definition of Bid’ah:
Imam Ash-Shafi’i, may Allaah have mercy upon him, said: “A Bid’ah is anything that has no basis in the Quran, Sunnah or sayings of any of the companions, may Allaah be pleased with them.”
Ibn Al-Jawzi, may Allaah have mercy upon him, said: “A Bid’ah is any form of worship..
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