Jeremiah
Jeremiah 13:7ESV·traditional attribution

Then I went to the Euphrates, and dug, and I took the loincloth from the place where I had hidden it. And behold, the loincloth was spoiled; it was good for nothing.

John Calvin Reformed @genevareformer

The Prophet, by saying that he went to the Euphrates, confirms what he had narrated: he did not indeed mean that he actually went there, but his object was to give the Jews a vivid representation. It is then what Rhetorians call a scene presented to the view; though the place is not changed, yet the thing is set before the eyes by a lively description.

Matthew Henry Presbyterian @wholebiblehenry

Here is, I. A sign, the marring of a girdle, which the prophet had worn for some time, by hiding it in a hole of a rock near the river Euphrates. It was usual with the prophets to teach by signs, that a stupid unthinking people might be brought to consider, and believe, and be affected with what was thus set before them. 1.

Commenting on Jeremiah 13:1-11

John Gill Reformed Baptist @doctorgill

Then I went to Euphrates,.... In a vision; this is the second journey, of which See Gill on Jer 13:5, and digged; the hole, in process of time, being stopped up with soil or sand, that were thrown up over it; this digging was in a visionary way; see Eze 8:8, and took the girdle from the place where I had hid it; which he...