Khomeinism is the founding ideology of the Islamic Republic of Iran. Impact of the religious and political ideas of that leader of the Iranian Islamic Revolution, Grand Ayatollah Ruhollah Khomeini include replacing Iran's millennia-old monarchy with theocracy, and a major paradigm shift in the religion of Shia Islam. Khomeini declared Islamic jurists the true holders of not only religious authority but political authority, who must be obeyed as "an expression of obedience to God", and whose rule has "precedence over all secondary ordinances [in Islam] such as prayer, fasting, and pilgrimage."