The Tribbles really took that "Live Long and Prosper" message to heart! Get a little more Tribble in your day with the Star Trek Trouble with Tribbles Pile Men's T-Shirt! This officially licensed and exclusive Star Trek shirt was designed by the talented Design By Humans' artist, Perdita00. Spock tries to escape a pile of adorable fuzzy Tribbles by reaching out his hand in a famous "Live Long and Prosper" Vulcan salute on this funny Star Trek shirt.