Isaiah
Isaiah 20:2ESV·traditional attribution

at that time the LORD spoke by Isaiah the son of Amoz, saying, “Go, and loose the sackcloth from your waist and take off your sandals from your feet,” and he did so, walking naked and barefoot.

John Calvin Reformed @genevareformer

2. Go and loose the sackcloth from thy loins. In order to confirm this prophecy by the use of a symbol, the Lord commanded Isaiah to walk naked. If Isaiah had done this of his own accord, he would have been justly ridiculed; but when he does it by the command of the Lord, we perceive nothing but what is fitted to excite admiration and to strike awe.

Matthew Henry Presbyterian @wholebiblehenry

God here, as King of nations, brings a sore calamity upon Egypt and Ethiopia, but, as King of saints, brings good to his people out of it. Observe, I. The date of this prophecy. It was in the year that Ashdod, a strong city of the Philistines (but which some think was lately recovered from them by Hezekiah, when he smote the Philistines even unto...

Commenting on Isaiah 20:1-6

John Gill Reformed Baptist @doctorgill

At the same time spake the Lord by Isaiah the son of Amoz,.... Or, "by the hand of Isaiah", by his means; and it was to him likewise, as the following words show; and so the Septuagint version renders it; he spoke by him, by the sign he used, according to his order, and he spoke to him to use the sign: saying; so the...