Who said "Bravery is simply doing what must be done."?

This quote is attributed to Molly Brown.

Bravery is simply doing what must be done. - Molly Brown

"Bravery is simply doing what must be done."

Molly Brown Courage

"I ain't no shrimpy little Countess - I'm the Unsinkable Molly Brown!"

"Life is too short to worry about what other people think of you."

"A woman's worth isn't determined by her bank account or her lineage."

"Never let anyone tell you that you're not good enough."

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."