Who said "Courage is doing what must be done regardless of cost."?

This quote is attributed to Doctor Octopus.

Courage is doing what must be done regardless of cost. - Doctor Octopus

"Courage is doing what must be done regardless of cost."

Doctor Octopus Courage

"The cunning warrior attacks neither body nor mind... but the HEART."

"I'm something of a scientist myself."

"Back to formula!"

"You know, I'm something of a scientist myself."

"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."