Who said "Defeat is just defeat until you learn from it."?

This quote is attributed to Team Rocket.

Defeat is just defeat until you learn from it. - Team Rocket

"Defeat is just defeat until you learn from it."

Team Rocket Perseverance

"Prepare for trouble, and make it double!"

"To protect the world from devastation!"

"To unite all peoples within our nation!"

"To denounce the evils of truth and love!"

"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."