Who said "A promise made is a debt that must be collected."?

This quote is attributed to Whiplash.

A promise made is a debt that must be collected. - Whiplash

"A promise made is a debt that must be collected."

Whiplash Relationships

"I build things, I build weapons, I build better versions of what already exists."

"You think you're the only one who can play with lightning?"

"I know who I am. I'm the guy who builds better tech than you."

"Revenge is a dish best served with electricity."

"The key to a happy marriage is communication."

"Marriage is about compromise and understanding."

"Life's greatest treasures are relationships."

"Trust is a luxury I can't afford."