You will live very long in the hearts of milions dear Leonard Nimoy.
Bless you on your journey in the next dimension… until we meet again…

Leonard Nimoy explains the Jewish story behind the hand-gesture, actually a blessing, he made famous through his role as Spock on in the Star Trek science fiction series.

Here is the full interview on October 15, 2013 at the Yiddish Book Center.
Click Here.