Bible Notes Online - Jeremiah 7 - ESV
Commentary

v1-2: Jeremiah brought the word of the Lord to the worshippers, those who claimed to know God. This was often as necessary as preaching to those outside; outside is unbelief and rejection, but inside is hypocrisy.

v3: "Reform your ways." This is perhaps the summary of all the prophets. The call is to repent, and the promise is of blessing.

v4: See v12; 3.23; Ps 78.60; 1 Sam 4.3-11; they relied on the place of earlier blessing. They trusted in the temple of the Lord, rather than the Lord of the temple. Such a change may come very gradually, but it is dangerous, robbing us of closeness to the Lord, and reducing our hatred of personal sins.

v5-7: These words provide for a thorough-going repentance; they was evidently a danger of half-hearted repentance (if there could be such a thing!). There are specific areas mentioned, of justice and righteousness, and there is a reward for obedience.

Their failure to obey was "to your own harm," for our disobedience does damage us.

v8: The reality continued, that they trusted in deceptive words, relying on the "temple of the Lord."

v9-11: The Lord is very direct here, exposing their hypocrisy. They broke the commandments, yet continued to enter the temple to pray and worship. They were so bold as to declare that God had freed them to follow those abominations. (Be careful that Christians do not similarly defend their disobedience, claiming to be under grace, not law.)

Their hypocrisy could not be hidden, for the Lord was watching. These words were also quoted by the Lord Jesus in Mark 11.17.

v12-15: The example of Shiloh, in 1 Sam 4, where the people had trusted in the ark to save them. But they were defeated, and the ark captured by the Philistines. That judgment would be repeated if they did not repent.

v16-20: Do not pray for them, for they are appointed to wrath. God's day of mercy had passed, next would come His judgment.

God highlights their devotion to the Queen of Heaven, or Ashtoreth, a fertility goddess. The people maintained this practice even in Egypt some years later, see 44.17-19.

v21-23: When the Lord God delivered His people from Egypt, the first laws He gave related to obedience. Only later did He direct them in maintaining sacrifices. Jeremiah addressed a people who clung to form, but neglected obedience, as in Matt 23.23.

v24-26: Persistent disobedience, in spite of the word proclaimed by the Lord through His prophets. They had actually grown worse.

v27: Jeremiah's task was to proclaim this word, even though the people would not listen.

v28: They would not receive correction, see Zeph 3.2. Whatever God says we have the responsibility to obey.

v29: Take up a lamentation, and weep for the people, and what was about to happen to them; weep over sin and its consequences, see 6.26. . The shaved head was a sign of mourning, but also of shame.

v30: Abominations in the house of the Lord; a failure to distinguish truth from falsehood.

v31: Idolatry multiplied; sons and daughters offered as sacrifices, 2 Kings 21.6; 2 Chr 33.6, introduced into Judah by Manasseh.

v32-33: Very many will die, and the idols will be seen to be impotent to save those who worshipped them.  The dead would remain unburied, a sign of God’s curse upon them.

v34: Desolation throughout the land, sent by God.