The Gospel was not subtle nor was it friendly so why should we treat it that way?
There is nothing subtle about the Gospel. I believe that there is a natural (as in the natural man) tendency to try and water down, disguise, temper or otherwise try to make the Gospel more subtle and/or friendly. However, there is nothing subtle about the Gospel. Jesus hung on a cross in public, flesh ripped, bleeding all over, naked for all to see. He hung there in public. A display of utter humiliation for; the mockers, His enemies, His family and followers. The more boldly and clearly that we can proclaim the Gospel the more closely we align ourselves with our Lord. Preach the Gospel always and when necessary use an amp