Do not take a pair of millstones—not even the upper one—as security for a debt, because that would be taking a person’s livelihood as security.

a woman dropped an upper millstone on his head and cracked his skull.

Who killed Abimelek son of Jerub-Besheth? Didn’t a woman drop an upper millstone on him from the wall, so that he died in Thebez? Why did you get so close to the wall?’ If he asks you this, then say to him, ‘Moreover, your servant Uriah the Hittite is dead.’”

Its chest is hard as rock, hard as a lower millstone.

Take millstones and grind flour; take off your veil. Lift up your skirts, bare your legs, and wade through the streams.

I will banish from them the sounds of joy and gladness, the voices of bride and bridegroom, the sound of millstones and the light of the lamp.

Young men toil at the millstones; boys stagger under loads of wood.