Where did the quote last ounce of courage come from?

The phrase "last ounce of courage" is often associated with the 2010 film "Last Ounce of Courage," which centers on the themes of faith, patriotism, and standing up for one's beliefs. In the movie, the protagonist fights against the erosion of traditional values and the suppression of Christmas celebrations. The quote embodies the idea of summoning one's final strength and determination to confront challenges or adversity.