Observations On The Theological Mystery, The Harmonial Philosophy, And Spirit Rappings: With An Appendix Concerning Freemasonry is a book written by William Sheldon in 1851. The book is a collection of observations and critiques of three different topics: the theological mystery, the harmonial philosophy, and spirit rappings. The theological mystery refers to the concept of the Holy Trinity and the divine nature of Jesus Christ. The harmonial philosophy...