This Star Trek t-shirt features an image of Mr. Spock giving the Vulcan salute. The shirt includes Spock's famous quote Live Long And Prosper. On the television series Star Trek, Spock was a respected and distinguished Vulcan/human hybrid, who went on to become one of the most beloved characters in television history! Spock's hand gesture and catchphrase are certainly popular to Star Trek fans, but they have also become iconic staples in popular culture.