Some of them preferred not to have faith because of the crooked world order, some chose to deny religion as a result of their thought system, rationality and scientific studies of their own. They expressed these ideas in their books, novels, in daily discussions with ordinary people, or in interviews... What make these statements striking, probably, are their deep concern for what religion or god means for the majority of people, and how misleading they can be. Well, here are 23 quotes from famous philosophers, scientists and novelists on religion and faith...