Who said "Fear is a tool for those who lack confidence."?

This quote is attributed to Dr. Robotnik.

Fear is a tool for those who lack confidence. - Dr. Robotnik

"Fear is a tool for those who lack confidence."

Dr. Robotnik Fear

"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."

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."