John Gills Exposition of the Bible Commentary - Jeremiah 7:29
Cut off thine hair, O Jerusalem, and cast it away ,.... This supplement is made, because the word is feminine; and therefore cannot be directed to the prophet, but to Jerusalem, and its inhabitants; shaving the head is a sign of mourning, Job 1:20 and this is enjoined, to show that there would soon be a reason for it; wherefore it follows: and take up a lamentation on high places : that it might be heard afar off; or because of the idolatry frequently committed in high places. The... read more
Matthew Henry's Complete Commentary - Jeremiah 7:29-34
Here is, I. A loud call to weeping and mourning. Jerusalem, that had been a joyous city, the joy of the whole earth, must now take up a lamentation on high places (Jer. 7:29), the high places where they had served their idols; there must they now bemoan their misery. In token both of sorrow and slavery, Jerusalem must now cut off her hair and cast it away; the word is peculiar to the hair of the Nazarites, which was the badge and token of their dedication to God, and it is called their crown.... read more