As time passess, we as humans have different challenges to confront. Many of them could be addressed better if somehow we could change our core ideas like those that are "religiously" inspired. However many of these religious ideas date from old times and somehow don't mold to modern days. While the essence of a religion is to preserve long time considered spiritual and moral values,some ideas can be in fact changed to make it better for believers. Which of the many doctrines or ideas do you think could be changed for good and church growth?