‘Abdullah b. ‘Umar – Allah be pleased with them both – said:
Every bid’ah (religious innovation) is misguidance, even if people think it is good.
Al-Lālakā’ī in Sharh Usūl I’tiqād Ahl Al-Sunnah wa Al-Jamā’ah Vol 1. P134, no.111; and Ibn Battah in Al-Ibānah Al-Kubraa Vol.1 p219, no. 213