“EMom, I heard God talking to me. How do I know I’m not just going crazy?”
Figures from biblical times to politicians in the present have claimed rapport with the divine. Only God knows for sure if you’re crazy, though a qualified therapist may provide some insight.
http://www.myemom.com/I-heard-God-talking-to-me-how-do-I-know-Im-not-just-going-crazy/