Letters on England by Voltaire is a collection of reflective essays written during the early 18th century while Voltaire was living in England. The work provides insights into English society, politics, and religion, examining the customs and philosophy of the English through Voltaire’s ironic and critical lens. In the introduction, he describes a conversation with a Quaker, presenting the unique beliefs of the Quakers regarding baptism and communion, which challenge traditional Christian practices. Through this dialogue, Voltaire captures the Quakers' perspectives on spirituality, social customs, and human conduct with wit and curiosity, reflecting on themes of piety, simplicity, and the complexities of religious beliefs. This introduction sets the stage for a broader cultural critique of England's various religious and sectarian practices that follows in the subsequent letters.