When you practice or learn something it's not all that pleasant or in that case ’sweet-sounding’ BUT in the end, it pays off and you can make something perfect and wonderful. And you may become more satisfied with knowing how to do it then why you learned how to do it.
The auther is saying that this is important for kids and parnet because its asking the parnets to make big and important decisions for there kids and what teachers can do to improve the kids
