3. The sword of the Holy One, blessed be He, Yud OF YUD HEI VAV HEI, is the top of the sword. The Vav OF YUD HEI VAV HEI IS the body of the sword, while the two Hei's OF YUD HEI VAV HEI are the two edges of the sword, WHICH ARE THE SECRET MEANING OF: "justice, only justice, shall you pursue" (Devarim 16:20). Two verdicts are decided (lit. 'cut'), one from the celestial court and one from the terrestrial court. From this we understand that a person cannot do the least thing down here unless permission is given from up high.