Lamentations 3:29 in the World English Bible
Let him put his mouth in the dust, if it is so that there may be hope.
Context
28 He sitteth alone and keepeth silence, because he hath borne it upon him.
29 He putteth his mouth in the dust; if so be there may be hope.
30 He giveth his cheek to him that smiteth him: he is filled full with reproach.