Who said "True strength comes from inside, not from muscle."?

This quote is attributed to Muriel Bagge.

True strength comes from inside, not from muscle. - Muriel Bagge

"True strength comes from inside, not from muscle."

Muriel Bagge Strength

"Well, I'll be!"

"Courage, you're such a scaredy-cat sometimes."

"A woman's work is never done."

"That dog's got more sense than most people I know."

"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."