""A Summary of the Law of Christ: Or the Duty and Happiness of Man"" is a book written by Josiah William Smith and published in 1859. The book is a comprehensive study of the principles of Christianity and the teachings of Jesus Christ. In this work, Smith explores the nature of human happiness and the role that faith and morality play in achieving it. He argues that the teachings of Christ provide a moral framework for living a fulfilling life, and...