An example of Plato's particular dislike for those who only seek to persuade without ethics. A fair position and legitimate concern, if the politics of today are any indication of the hot mess of self-interested persuaders.
The ideals I aim for daily, in all my routine tasks & undertakings as with any interaction with others. I do not always succeed however, in at least trying - I give it my best shot. This hung in the home of a friend I loved very much, posted in memory.