Who said "We are not conquered until we choose to surrender."?

This quote is attributed to Leonidas I.

We are not conquered until we choose to surrender. - Leonidas I

"We are not conquered until we choose to surrender."

Leonidas I Perseverance

King Warrior Ancient Greece 540–480

"This is Sparta!"

"Spartans! Tonight we dine in hell!"

"A man's true measure is taken not in a moment of comfort and convenience, but in a moment of challenge and adversity."

"Freedom isn't free, it requires sacrifice and courage."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."