The Vulcan Live Long and Prosper Greeting origins are revealed by Leonard Nimoy in this Trek video and the effects controlling his emotions had on him.
Imagine being Spock, a struggling emotionless half vulcan for 12 hours a day, 5 days a week! during the filming of Star Trek. "controlling your emotions can have some strange effects on you" tells our vulcan friend in the video. How did he do it? Watch this ultimate experience.