All Trekkies (well, most people in general) are acquainted with the Vulcan phrase/salute 'live long and prosper'. Now Vulcans, following Surak, based their society on logic, hence it seems logical to
star trek - Why is it logical to live long and prosper? - Science ...
Live long and prosper is a perfectly valid blessing since his katra will live on in every one of us.
The phrase 'Live Long and Prosper' is probably the most iconic phrase of Star Trek. So my question is which Star Trek character says the phrase 'Live Long and Prosper' the most times?
Dark Side users say “Live long and prosper” instead, although they always then turn away, contort their face into an evil grimace, and say “Not!” under their breath.
I was about to ask someone about their usage of a particular hand gesture, which is similar to the way Vulcans use their "Salute" alongside the standard greeting of "Live long, and prosper" when I realized I don't know the "real" name for the "Vulcan Salute".
The film audience hears the Vulcan officer give the traditional greeting of "Live long and prosper" in the same language spoken by the human characters, followed by Zefram Cochrane's reply of "Thanks". The humans and Vulcans continue to interact afterwards, but the audience does not hear their dialogue.
They also tell others to “live long and prosper” through non-verbal hand signals.
Yahoo: Leonard Nimoy explained the surprising back story to Star Trek’s most iconic quote, ‘Live Long and Prosper’
Actor Leonard Nimoy, who played Mr. Spock on Star Trek, shared the backstory of his famous line "live long and prosper." ...