Gregor the Overlander (Underland Chronicles, #1)

by Suzanne Collins

Even if times got bad, he would never again deny himself the possibility that the future might be happy even if the present was painful. He would allow himself dreams.

“Hope,” said Vikus. “There are times it will be very hard to find. Times when it will be much easier to choose hate instead. But if you want to find peace, you must first be able to hope it is possible.”