Who said "War is an extension of strategy by other means."?

This quote is attributed to Dr. Robotnik.

War is an extension of strategy by other means. - Dr. Robotnik

"War is an extension of strategy by other means."

Dr. Robotnik War

"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."

"Some battles are worth fighting."

"Sometimes you have to become the monster to stop the monsters."

"Skynet sent me back through time to kill you."

"War teaches us the value of peace."