Who said "Courage is not the absence of fear, but action despite it."?

This quote is attributed to Leonidas I.

Courage is not the absence of fear, but action despite it. - Leonidas I

"Courage is not the absence of fear, but action despite it."

Leonidas I Courage

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."

"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."