Who said "Love is the greatest power in the universe."?

This quote is attributed to Pikachu.

Love is the greatest power in the universe. - Pikachu

"Love is the greatest power in the universe."

Pikachu Love

"Pika pika!"

"Pikachu!"

"Pika pika chu!"

"I choose you!"

"I love my wife, but sometimes she drives me crazy."

"Love conquers all obstacles."

"Love is patient, love is kind."

"I'm not stupid, I'm just in love!"