Concerning the utility of Rhetoric, it is to be observed that it divides itself into two; first, whether Oratorical skill be, on the whole, a public benefit, or evil; and secondly, whether any artificial system of Rules is conducive to the attainment of that skill.
                                                                                    
                                        
                                        
                                        
                                        
                                                                                
                                            
                                                
                                                    
                                                         Richard Whately (1872). “Elements of Rhetoric: Comprising an Analysis of the Laws of Moral Evidence and of Persuasion, with Rules for Argumentative Composition and Elocution”, p.29