The mystery of God's existence has been a crucial element of many religious studies and traditions. Who is God? What is God? Where is God? To effectively discuss the existence of God, it is necessary to illustrate the notion of faith. People of faith believe that God does exist, and that relationship with God gives meaning to their lives. Others who are skeptical point to God as an obsolete hope of an ignorant human race. People today live in a world distinguished by sophisticated technology in which modern science has been a strong agent in questioning the existence of God. Although many cannot articulate their reasons for believing in the existence of