Who said "I've learned that failure is not final."?

This quote is attributed to SpongeBob SquarePants.

I've learned that failure is not final. - SpongeBob SquarePants

"I've learned that failure is not final."

SpongeBob SquarePants Perseverance

"I'm ready!"

"Ahahaha! I love you."

"The best time to wear a striped sweater is all the time."

"I'm a goofy goober, yeah!"

"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."