Who said "Strength comes not from being alone, but from unity."?

This quote is attributed to Team Rocket.

Strength comes not from being alone, but from unity. - Team Rocket

"Strength comes not from being alone, but from unity."

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."