Who said "The most powerful attack is one backed by true belief."?

This quote is attributed to Misty.

The most powerful attack is one backed by true belief. - Misty

"The most powerful attack is one backed by true belief."

Misty Power

"You're such a jerk, Ash!"

"Somebody's gotta keep you in line!"

"We're a team, and we stick together!"

"You can't just run off without thinking!"

"Power without control is just destruction."

"Power is not about control, it's about influence"

"The world doesn't need me to be the hero. It just needs me to be dangerous."

"The claws come out when I need them to."