Who said "Even when things are hard, we can make it through."?

This quote is attributed to Billy.

Even when things are hard, we can make it through. - Billy

"Even when things are hard, we can make it through."

Billy Courage

"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?"

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."