Final answer:
Justine's final advice for Elizabeth is to travel and explore the wonders of the world.
Step-by-step explanation:
Justine's final advice for Elizabeth is to go on a trip and experience the wonders of the world.
Justine mentions that Elizabeth has seen very little and that there is so much delight in store for her.
Justine believes that the trip will be safe and easy, and it will make Elizabeth happy.
This advice comes from a passage in a book where Justine is encouraging Venters to take Elizabeth out of Utah and show her the great world.