Who said "Strength comes from believing in yourself!"?

This quote is attributed to Barney.

Strength comes from believing in yourself! - Barney

"Strength comes from believing in yourself!"

Barney Strength

"I love you, you love me, we're a happy family"

"With a great big hug and a kiss from me to you, won't you say you love me too?"

"Friends forever, that's what we'll be"

"Everyone is special, everyone is unique"

"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."