How did perseverance help Perez weather her experience in the orphanage?

This book is a big example of perseverance it not only means to achieve your dreams it also requires more than that. You need to become strong like Rosie that a early age she had to face many bad things; she work hard and she learn how to be patient even when sister Renata was so strict and cruel. however, Rosie is thankful with her because even that she suffered a lot that made her more strong.