Explanatory Notes on the Whole Bible, by John Wesley, [1754-65], at sacred-texts.com
isa 20:1Sargon - Sennacherib, who, before he came to Jerusalem, came up against and took all the walled cities of Judah, of which Ashdod might be reckoned one, as being in the tribe of Judah.
isa 20:2Sackcloth - Which he wore in token of his grief for the calamities that were already come upon Israel, and were coming upon Judah. Naked - Not wholly naked, but without his upper garment, as slaves and prisoners used to do, whose posture he was to represent. Bare - foot - After the manner of mourners and captives.
isa 20:3Three years - Not constantly, but when he went abroad among the people, to whom this was appointed for a sign. A sign - When this judgment should come, namely, three years after this prophecy.
isa 20:4Uncovered - Having their garments cut off by the middle.
isa 20:5They - All that shall trust to them. But under this general expression the Israelites, seem to be principally intended.
isa 20:6Of the country - Of this land, in which the prophet was, and to whose inhabitants, these words were uttered. Such - So vain is our hope placed upon such a people as are unable to deliver themselves.