Who said "The only true defeat is the one you accept."?

This quote is attributed to Shifu.

The only true defeat is the one you accept. - Shifu

"The only true defeat is the one you accept."

Shifu Perseverance

"There is no secret ingredient. It's just you."

"When will you realize? The more you take, the less you have."

"Your story may not have such a happy beginning, but that does not make you who you are."

"It is said that the Dragon Warrior will bring peace to the Valley."

"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."