15:1-8 Jerusalem like an unfruitful vine. - If a vine be fruitful, it is valuable. But if not fruitful, it is worthless and useless, it is cast into the fire. Thus man is capable of yielding a precious fruit, in living to God; this is the sole end of his existence; and if he fails in this, he is of no use but to be destroyed. What blindness then attaches to those who live in the total neglect of God and of true religion! This similitude is applied to Jerusalem. Let us beware of an unfruitful profession. Let us come to Christ, and seek to abide in him, and to have his words abide in us.

4. cast into … fire—(Joh 15:6).

both the ends—the north kingdom having been already overturned by Assyria under Tiglath-pileser; the south being pressed on by Egypt (2Ki 23:29-35).

midst of it is burned—rather, "is on flame"; namely, Jerusalem, which had now caught the flame by the attack of Nebuchadnezzar.

Is it meet for any work—"it," that is, the scorched part still remaining.