Dead men tell no tales (term)

"Dead men tell no tales."

- Cotton's parrot

Dead men tell no tales was a common pirate phrase, meaning once someone is dead, they can no longer communicate, hence killing someone is the best way to keep him/her quiet.

Appearances

 * Pirates of the Caribbean (ride)
 * Pirates of the Caribbean: The Curse of the Black Pearl
 * Pirates of the Caribbean: At World's End