勉強
13 `And [to] the Levites over-against the border of the priests [are] five and twenty thousand [in] length, and [in] breadth ten thousand, all the length [is] five and twenty thousand, and the breadth ten thousand.
In Jeremiah 31:9, this signifies spiritual good and truth. (Arcana Coelestia 3325)
16 and the city lieth square, and the length of it is as great as the breadth; and he did measure the city with the reed -- furlongs twelve thousand; the length, and the breadth, and the height, of it are equal;