Those who have read my essay "What is God," at: http://pages.csam.montclair.edu/~kowalski/god.htm might be interesed in God-related conceptual difficulties of some preachers, quoted at: http://pages.csam.montclair.edu/~kowalski/god2.htm Ludwik Kowalski (see Wikipedia). Please share these links with those who might be interested.