Answer:
It means that nobody lives long enough to make every mistake so when someone makes a mistake learn from it so you wont make the same one.
Explanation:
Its kinda self explanatory 
 
        
             
        
        
        
Pro shows the good side of things cons show the bad side of things
        
             
        
        
        
People usually believe that an argument is nasty and always opposes a concept or initiates disagreement, but in literature, an argumentative piece or essay is merely arguing one's view of a topic and does not have to be rude or disagreeable. Also, arguments can be civilized and kind if they are conducted correctly.
        
             
        
        
        
<span>4. But from all that I have been able to learn of cholera, both from my own observations and the descriptions of others, I conclude that cholera invariably commences with the affection of the alimentary canal.
Hope this helps!</span>