Who said "We've come too far to give up now!"?

This quote is attributed to Team Rocket.

We've come too far to give up now! - Team Rocket

"We've come too far to give up now!"

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."