In Shakespeare's Romeo and Juliet, Peter-- the Capulet servant-- wanted the musicians to play a happy tune because he wanted to ease his sorrowful heart. However, the musicians refused because playing a happy tune would be inappropriate.
To persuade the reader to do something or to try something out. For instance,
if I asked you to start recycling instead of saying, "You should start recycling", I am going to try to persuade you into recycling like, " if you recycle you are saving the environment", see the difference?
