This system included such items as total obedience...

This system included such items as total obedience, liturgy, special robes, music and ecstasy and rapture at the time of repeating the liturgical formulas. Some orders of the Sufis went to the extent of separating the tariqah (the Sufi way) from the shari’ah (Islamic precepts). The adherents of these Sufi orders practically joined hands with the Batinites (Those who believe that in Islam everything is allegorical and has a hidden meaning).

Anyhow according to the Shi’ah point of view the original source, of Islam, namely the Qur'an and Sunnah…