Who said "We do not mourn death; we celebrate a life well-lived."?

This quote is attributed to Leonidas I.

We do not mourn death; we celebrate a life well-lived. - Leonidas I

"We do not mourn death; we celebrate a life well-lived."

Leonidas I Death

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."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."