As a jurisprudential rule, "nafye sabil" has played a sustaining and influential role in Islamic system's major decisions, policies and behavior. This principle is of high importance in Islamic state's foreign relations. Rejecting oppression and tyranny against Muslims and preserving their freedom and removing dependence on aliens is the foundation of this rule in Islamic republic of Iran's foreign policy. In Iran's constitution, any form of tyranny, extortion, domination and deferring to domination have been forbidden and rejected. As a foundation to provide society's independence and prevent economic domination, this principle forms the building blocks of Islamic republic of Iran's major as well as foreign policies.