Letters to the Reverend Thomas Belsham, On Some Important Subjects of Theological Discussion is a book written by John Pye Smith in 1809. The book consists of a series of letters addressed to Reverend Thomas Belsham, a prominent Unitarian minister of the time. The letters cover a range of theological topics, including the nature of God, the divinity of Jesus, and the role of the Holy Spirit. Smith argues for a rational and critical approach to theology,...