According to search-discovered classical Islamic scholarship, the principle of 'No Compulsion in Religion' (لَا إِكْرَاهَ فِي الدِّينِ), articulated in Quran 2:256, is a foundational tenet of Islam establishing absolute freedom of conscience. Tafsir master Ibn Kathir explains this is not merely a suggestion but a divine command: do not force anyone to become Muslim, for faith is a matter of sincere conviction and guidance from Allah, which cannot be induced by coercion. Al-Tabari and other early commentators root the verse's revelation in historical events where the Prophet Muhammad prevented the Ansar from forcing their children to convert, cementing its practical application from the very beginning. The verse itself provides the rationale: 'The right course has become clear from the wrong' (قَد تَّبَيَّنَ الرُّشْدُ مِنَ الْغَيِّ), meaning that the clarity of the Islamic message makes compulsion both unnecessary and illegitimate. While a minority of early scholars debated its scope, the vast majority of classical and contemporary authorities affirm that this verse is muhkam (decisive and un-abrogated), establishing a permanent and universal right to religious freedom for all people. This principle underpins the entire framework of dawah (invitation to Islam), which must be based on wisdom and clear communication, leaving the ultimate choice to the individual.