Who said "Oh boy, strength is built through persistence."?

This quote is attributed to Mickey Mouse.

Oh boy, strength is built through persistence. - Mickey Mouse

"Oh boy, strength is built through persistence."

Mickey Mouse Strength

"Hot dog!"

"Oh boy!"

"Gosh!"

"That's swell!"

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."