Who said "Whatever comes out of these doors, you must stand firm."?

This quote is attributed to Diana Prince.

Whatever comes out of these doors, you must stand firm. - Diana Prince

"Whatever comes out of these doors, you must stand firm."

Diana Prince Strength

"I am the man who can fight in any century and never lose faith."

"It's not about deserve. It's about what you believe."

"Only the best of men may enter."

"I will fight, not because it is easy, but because it is right."

"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."