Blushing
Blushing in scripture is a sign of conscience: the body's involuntary witness to shame over sin. The umbrella collects the verses where the verb stands as the visible test of moral feeling — Ezra's penitent prayer on the right side, and Jeremiah's twice-repeated indictment of a people whose faces no longer color.
The penitent face
Ezra speaks for the returned community in a posture the figure embodies: "and I said, O my God, I am ashamed and blush to lift up my face to you, my God; for our iniquities are increased over our head, and our guiltiness has grown up to the heavens" (Ezr 9:6). The blush here is the sign that the conscience is still alive — Ezra cannot meet his God's face because the body has registered the weight of the sin.
The face that cannot blush
Jeremiah twice repeats the same diagnosis of Judah on the eve of judgment, the figure forming a refrain. The first occurrence: "They were ashamed when they did these disgusting things. But, they did not feel ashamed, neither could they blush: therefore they will fall among those who fall; at the time that I visit them they will be cast down, says Yahweh" (Je 6:15). The second, in identical wording, reaches the same verdict: "They were ashamed when they did these disgusting things. But, they did not feel ashamed, neither could they blush: therefore they will fall among those who fall; in the time of their visitation they will be cast down, says Yahweh" (Je 8:12).
The pairing sets the umbrella's two poles. Where the conscience still functions, the face colors and the supplicant approaches Yahweh in penitence; where the conscience has died, the inability to blush is itself the proof that judgment is fixed.