Who said "Pain is temporary, but the memory of victory is forever."?

This quote is attributed to Team Rocket.

Pain is temporary, but the memory of victory is forever. - Team Rocket

"Pain is temporary, but the memory of victory is forever."

Team Rocket Strength

"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!"

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."