All cults seem to always follow the Bible plus any revelation their "prophet" 100-200 years ago "received." (Whether it's Joseph Smith or Ellen White or whoever) It seems it would be helpful to just deal with cult people by giving a Biblical explanation showing there are no prophets of new revelation any more...and that their idea of "prophet" does not correspond to the gift of prophecy in Acts. What is the best way to Biblically show: (1) there are no longer prophets with new revelation, (2) these modern-day prophets are not a continuation of the gift of prophecy in Acts.