10. my threshing—that is, my people (the Jews) trodden down by Babylon.
corn of my floor—Hebrew, "my son of the floor," that is, my people, treated as corn laid on the floor for threshing; implying, too, that by affliction, a remnant (grain) would be separated from the ungodly (chaff) [Maurer]. Horsley translates, "O thou object of my unremitting prophetic pains." See Isa 28:27, 28. Some, from Jer 51:33, make Babylon the object of the threshing; but Isaiah is plainly addressing his countrymen, as the next words show, not the Babylonians.