Who said "Training is hard work, but it's worth it."?

This quote is attributed to Ash Ketchum.

Training is hard work, but it's worth it. - Ash Ketchum

"Training is hard work, but it's worth it."

Ash Ketchum Work

"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."

"Hard work never killed anybody."

"Work with purpose and integrity."

"Hard work pays off in the end."

"A man's gotta do what a man's gotta do."