공부
18 And the hanging for the gate of the court was needlework, of blue, and purple, and scarlet, and fine twined linen: and twenty cubits was the length, and the height in the breadth was five cubits, answerable to the hangings of the court.
'A nail,' as in Zechariah 10:4, signifies supporting truth.
(참조: Apocalypse Explained 355)