Who said "Every setback is merely a stepping stone to victory."?

This quote is attributed to Dr. Robotnik.

Every setback is merely a stepping stone to victory. - Dr. Robotnik

"Every setback is merely a stepping stone to victory."

Dr. Robotnik Perseverance

"I am the world's greatest scientific genius!"

"Sonic, you blue pest, I'll get you yet!"

"Roboticize the world!"

"Science is the key to ultimate power."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."