The book "The History of Rationalism, Comprising a Survey of the Present State of Protestant Theology" by John Fletcher Hirst is an important document in the field of religion and philosophy. In this work, the author examines the development of rationalism in religion and its influence on Protestant theology. Hirst traces the history of rationalist passions, presenting the reader with an in-depth analysis and understanding of this phenomenon. The book highlights the current state of Protestant theology and examines it in the context of rationalism. This is an important source for those interested in the study of theological currents and the influence of rationalism on Christianity.