Who said "Hope keeps you alive when hope is all you have left."?

This quote is attributed to Billy.

Hope keeps you alive when hope is all you have left. - Billy

"Hope keeps you alive when hope is all you have left."

Billy Hope

"I'm a big fan of science!"

"Mandy, wouldn't it be great if we could stay young forever?"

"I love the smell of destruction in the morning!"

"Why does everything have to be so complicated?"

"Every day is a new opportunity."

"Hope is what gets us through difficult times."

"I'm not your enemy, kid. I'm trying to save you."

"Redemption is a long road."