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spock and the  hand sign

Leonard Nimoy: Biography and Much More From:
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"Nimoy,(Dr. Spock), also devised the Vulcan Salute consisting of a raised hand, palm forward with the fingers parted between the middle and ring finger. It is said to be based on the traditional kohanic blessing, which is performed with both hands, thumb to thumb in this position; a position thought to represent the Hebrew letter shin.
(This letter is often used as a symbol of God in Judaism, as it is an abbreviation for God's name Shaddai. This usage is seen, for example, on every mezuzah.)

Nimoy may also have derived the accompanying spoken blessing, "Live long and prosper" from this source, as the last phrase of the blessing is "May the Lord be forbearing unto you and give you peace" (Numbers 6:24-26)."


http://www.answers.com/topic/leonard-nimoy

The Hand Blessing of the Aaronic Priests, the Kohanim.
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Ancient Winnowing Fork called a "Fan" in NT
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(LINK TO MORE)

Matt. 3:12 Whose (Hebrew: winnowing fork) "fan" (of forked fingers) is in his hand, (held in two sets of three raised "fingers," like the as the Kohanim), and he will thoroughly purge his floor, and gather his wheat into the garner; but he will burn up the chaff with unquenchable fire.

(Link to more on this "Fan in the hand."

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(Link to more on the art of the Aaronic priesthood)

Click to enlarge Christian Monasticism
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