Who said "Strength is knowing when to be vulnerable."?

This quote is attributed to Ruth Handler.

Strength is knowing when to be vulnerable. - Ruth Handler

"Strength is knowing when to be vulnerable."

Ruth Handler Strength

"I wanted to create something that would let girls know that they could be anything they wanted to be."

"A girl should be two things: classy and fabulous."

"The only limit is your imagination."

"Every girl deserves to feel like she can do anything."

"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."