Who said "Dreams that do not challenge are merely fantasies."?

This quote is attributed to Doctor Octopus.

Dreams that do not challenge are merely fantasies. - Doctor Octopus

"Dreams that do not challenge are merely fantasies."

Doctor Octopus Dreams

"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."

"This is going to be a great show!"

"Dreams are what make life worth living."

"Never stop dreaming big."

"Dreams are what keep us going."