Reference: al-Majmoo' fee Tarjamatil-Muhaddith Hammaad ibn Muhammad al-Ansaaree wa Seeratuhu wa Aqwaalauhu v2, Quote No.129 p494
Shaykh 'Abdul-Awwal narrates that he heard his father – Shaykh Hammaad ibn Muhammad al-Ansaaree رحمه الله, say:
The innovator is not called an innovator (mubtadi') until he persists in an affair which has been prohibited, and this affair consists of opposing the Sunnah.
