How do we get the idea that the "sons of God" are fallen angels?
The term, elder, has a wider range than the term, bishop. Elder may refer to Old or New Testament offices. It may also refer to men of age, experience, and/or wisdom. Bishop refers to a specific New Testament office.
Are we sure that the modern translation of the Greek of the word "perfect", in Matthew 5:48 --as "complete" is fully correct or even correct at all?
What does the Bible say about men going to school to be a preacher?
