The Iranian Revolution in 1979 and Ayatollah Khomeini’s invention of the concept of Islamic government contained traces of an opposition to modernism and the discourse of returning to oneself that had been proposed by Iranian intellectuals in 1960-1970. The ending of the Iran-Iraq war, the pursuit of policies of economic opening in Iran, the emergence of the urban middle class, and the difficulties of the theocracy provided an opportunity for the emergence of a new religious intellectual discourse by Iranian post-Islamist intellectuals. The new Iranian religious intellectuals, influenced by the historical experience facing the Church and Christian theology in the Western world, and the need to rethink religious knowledge, introduced new interpretations of religious and Shari’a-based government. In this regard, Iranian post-Islamist intellectuals, applying the experience of Christian theologians, started a dialogue with Shi’i Islamic theological texts. Focusing on the thoughts of Mohammad Mojtahed Shabestari, this paper argues that Iranian post-Islamist intellectuals, in adapting Islam to contemporary world necessities, based on Christian theological doctrines, are aiming to reinterpret Shi’i jurisprudence