What is a possible theme for the film national treasure?

The theme of the film is that in the end, evil people or people who trample on others to reach their goal will always lose, may after some time.

Explanation:

In 2004, Walt Disney Pictures released an American action-adventure film National Treasure. It was written by Jim Kouf and the Wibberleys.

At the end of the film, the group with the nobler aspirations got the treasure, and the other people, who trample on others to reach their goal, end up in prison. The theme of the film is that in the end, evil people or people who trample on others to reach their goal will always lose, may be after some time.

the flighty purpose never is o'ertook / unless the deed go with it"