Cross reference
Matthew 24:41
41 two women `shall be' grinding at the mill; one is taken, and one is left.
Exodus 11:5
5 and all the first-born in the land of Egypt shall die, from the first-born of Pharaoh that sitteth upon his throne, even unto the first-born of the maid-servant that is behind the mill; and all the first-born of cattle.
Isaiah 47:2
2 Take the millstones, and grind meal; remove thy veil, strip off the train, uncover the leg, pass through the rivers.
Luke 17:35
35 There shall be two women grinding together; the one shall be taken, and the other shall be left.