Sermons On Useful And Important Subjects is a book written by David Simpson and published in 1774. The book is a collection of sermons that cover a range of topics that are considered to be useful and important for Christians. These topics include faith, repentance, salvation, the nature of God, and the importance of living a virtuous life.The sermons are written in a clear and concise style, making them accessible to readers of all levels of religious...