The Masters of the Mishnah said to him: ‘Rabbi! Rabbi! How powerful are the stones that you have thrown, with which the heavens and the earth tremble, and the beasts and cattle and birds all flee, some of them falling to the ground, and the glorious throne and angels and ophanim, they all tremble from your stones. And these are: (Ex. 39:10)... four rows of stones – which are all one.
Worthy is the one who produces these stones complete, with his prayer, through the four prayers, together with the Additional Prayer (Musaph), about which it is stated: (Deut. 27:6) Of Complete stones you shall build...