Who said "Patience is the key to mastery."?

This quote is attributed to Pikachu.

Patience is the key to mastery. - Pikachu

"Patience is the key to mastery."

Pikachu Patience

"Pika pika!"

"Pikachu!"

"Pika pika chu!"

"I choose you!"

"Patience is a virtue I'm still learning."

"I may be a redhead, but I'm not a hothead."

"Patience is a virtue."

"Patience is a virtue I never learned."