Who said "Every battle makes you stronger, even if you lose."?

This quote is attributed to Pikachu.

Every battle makes you stronger, even if you lose. - Pikachu

"Every battle makes you stronger, even if you lose."

Pikachu Perseverance

"Pika pika!"

"Pikachu!"

"Pika pika chu!"

"I choose you!"

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."