NO! When you use the word I it reprresents an opinion, a persuausive essay is nothing but facts.
 
        
                    
             
        
        
        
I- what is happening here?
        
                    
             
        
        
        
 because the audience would be familiar with them as parables were highly popular then. Also, it being a monk, it is supposed to be a serious story that teaches you something, not a funny or obscene story such as those from the Wife of Bath or the Miller.