This Book: Is the first book of the "encyclopedia of simplified biblical studies." The book deals with the different sides that should be understood and comprehended by every believer in order to live the life that the lord Jesus Christ wants for us as Children of God. The book includes important spiritual interpretations for bible topics and statements related to the salt and light, and explain the difficult to understand statements, also reply to the suspicious alleges against the words of salt and light in the Bible. The book draws practical biblical ways for those who want to live the life of salt and light.