The Vulcan salutation is that of the Jewish priestly blessing: a hand gesture consisting of a raised hand with the palm forward and the thumb extended, while the fingers are parted between the middle and ring finger. Typically, the phrase "live long and prosper" is uttered when making the salute, adapting the priestly blessing "may the Lord bless you and keep you." An appropriate reply would be to return the gesture and utter either "live long and prosper", or "peace and long life".
The Vulcan salutation is that of the Jewish priestly blessing a hand gesture consisting of a raised hand with the palm forward and the thumb extended while the fingers are parted between the middle and ring finger Typically the phrase "live long and prosper" is uttered when making the salute adapting the priestly blessing "may the Lord bless you and keep you" An appropriate reply would be to return the gesture and utter either "live long and prosper" or "peace and long life"