Who said "You gotta believe in yourself, or no one else will."?

This quote is attributed to Ash Ketchum.

You gotta believe in yourself, or no one else will. - Ash Ketchum

"You gotta believe in yourself, or no one else will."

Ash Ketchum Courage

"Gotta catch 'em all!"

"I'm gonna be a Pokémon Master!"

"There's no such thing as a useless Pokémon. It's the trainer that makes the difference."

"The important thing is not how strong a Pokémon is, but the bond between a trainer and their Pokémon."

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."