Discourses And Discussions In Explanation And Defense Of Unitarianism is a book written by Orville Dewey in 1840. The book is a collection of speeches and discussions that Dewey had with other religious leaders and scholars in defense of Unitarianism. Unitarianism is a religious movement that emphasizes the oneness of God and the humanity of Jesus Christ, rejecting the doctrine of the Trinity. In this book, Dewey provides a thorough explanation of...