Who said "Perseverance is the key to overcoming any challenge."?

This quote is attributed to Pongo.

Perseverance is the key to overcoming any challenge. - Pongo

"Perseverance is the key to overcoming any challenge."

Pongo Perseverance

"Come along, Perdita. We must find our puppies."

"A dog's life isn't all tail-wagging and treats, you know."

"We can't give up now. Our puppies are out there somewhere."

"Love means being willing to do anything for those you care about."

"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."