Who said "Loyalty is a transaction—nothing more, nothing less."?

This quote is attributed to Ivan Vanko.

Loyalty is a transaction—nothing more, nothing less. - Ivan Vanko

"Loyalty is a transaction—nothing more, nothing less."

Ivan Vanko Friendship

"I am the science, I am the progress."

"You think you're the only one with power? You are mistaken."

"A man is defined by his work, not by his words."

"Vengeance is the only truth that matters."

"Friendship is built on trust and honesty."

"True friendship is worth more than gold."

"Good friends are like stars, always there even when you can't see them."

"Friendship means sacrifice."