Who said "You gotta stay positive, even when things get tough."?

This quote is attributed to Ash Ketchum.

You gotta stay positive, even when things get tough. - Ash Ketchum

"You gotta stay positive, even when things get tough."

Ash Ketchum Happiness

"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."

"Babalú!"

"My greatest joy is making people smile."

"Laughter and love make a home."

"The best things in life are free."