15. I will destroy all My foes.
mountains--in Palestine usually planted with vines and olives in
terraces, up to their tops.
islands--rather, "dry lands." God will destroy His foes, the heathen,
and their idols, and "dry up" the fountains of their oracles, their
doctrines and institutions, the symbol of which is water, and their
schools which promoted idolatry [VITRINGA].
JFB.
Picture Study Bible