The revival of this Islamic custom and its basics explanation in the recent era are come back to the suggestion of the first
supreme leader of Iran, Ruhollah Khomeini who named two doctrines of "
Tawalla and
Tabarra" as the main base of this Islamic expression. In explaining the philosophy of Bara'at (Disavowal),
Khomeini mentions that: the great/mean/little (first, middle and back) devils must be repulsed from the holy privacy of Islam. He also added in regards to the issue of "Bara'ah Min al-Mushrikin" (disavowal of polytheists) in Hajj": After passing away of the first
supreme leader of Iran Seyyed Ruhollah Khomeini, the second supreme leader of Iran Seyyed Ali Khamenei issues message(s) annually on the ritual of "disavowal of polytheists" to Hajj pilgrims. He mentioned in his last message on August 6, 2019, that: "The ritual of Bara’ah which means refusing every instance of mercilessness, cruelty, wrongdoing and corruption of the tyrants of any time, and rising against intimidation and extortion by the arrogant throughout history, is one of the great blessings of Hajj, and an opportunity for oppressed Muslim nations. Today, repudiating the front of shirk [polytheism] and kufr [disbelief] made up of the arrogant powers—the foremost of them being the U.S.—equals refusing the killing of the oppressed, and waging wars..." ==In Quran==