Who said "People are predictable. That's what I've learned."?

This quote is attributed to Roz.

People are predictable. That's what I've learned. - Roz

"People are predictable. That's what I've learned."

Roz Philosophy

"I'm filing a complaint."

"You didn't file your paperwork correctly - that's gonna be a problem."

"I've been working this desk for twenty years, and I know what I'm doing."

"You gotta follow the rules, or nothing works around here."

"I've seen the worst humanity has to offer."

"Sometimes I wonder if the world is worth saving."

"Every choice shapes our destiny."

"Order is the foundation of a good life."