""What Is Religion? A Protest Against The Spirit Of The Age, A Plea For The Reality Of The Spiritual"" is a philosophical work written by Robert Withers Memminger and published in 1871. The book is a critical analysis of the prevailing ideas about religion in the author's time and a call for a deeper understanding of spirituality. Memminger argues that the dominant view of religion as a set of beliefs and practices is inadequate, and that true religion...