Faith is a belief that God exists and a trust in him. Some believe thatfaith should be based on reason and others that it should be based on revelation. There are two types of revelation. Propositional revelation is direct communication between God and humanity, during which truths about religion are conveyed. In many cases these are in the form of holy books, the Bible, Qur'an and the Torah for example. However that authority may come through special experiences. The emphasis though is on revelation through authority, notably sacred writings, ratherthan through ordinary human experience.…