What is the significance of tolerance in Freemasonry?

Toleration in religion and politics is considered a defining characteristic of Freemasonry 2. In the Craft, members are obliged only to observe "that Religion in which all men agree," leaving their private theological and political opinions outside the lodge 23. Political arguments, religious disputes, and personal quarrels are strictly excluded from lodge meetings to preserve harmony and prevent division 12.

This principle enables men of diverse faiths—including Christians, Jews, Muslims, and others—to unite as brethren, acknowledging their respective deities under the universal designation of the Great Architect of the Universe 13. James Anderson codified this religious and political latitude in his 1723 Constitutions 4. His formulation exceeded the religious tolerance granted by contemporary British law at the time by welcoming Dissenters, Catholics, and anti-Trinitarians into the fraternity 4.

By the treaty of Union in 1813 and the subsequent 1815 revision of the Constitutions, explicitly Christian rhetoric was largely removed from the Craft degrees to solidify this non-sectarian foundation 4. However, this religious latitude is not entirely unrestricted; English-speaking Freemasonry maintains immutable requirements, specifically a belief in God and the immortality of the soul, excluding those who deny these basic tenets 5.