""Knocking: The Words Of Jesus At The Door Of The Heart, A Sacred Monody"" is a book written by John Ross Macduff in 1884. This book is a collection of meditations on the words of Jesus Christ, specifically focusing on the metaphor of Jesus knocking at the door of one's heart. Macduff uses this metaphor to explore the themes of faith, salvation, and the Christian life.The book is divided into chapters, each of which focuses on a specific aspect of...