30 For the children of Judah have done that which is evil in my sight, says Yahweh: they have set their abominations in the house which is called by my name, to defile it. 31 They have built the high places of Topheth, which is in the valley of the son of Hinnom, to burn their sons and their daughters in the fire; which I didn’t command, nor did it come into my mind. 32 Therefore, behold, the days come, says Yahweh, that it shall no more be called Topheth, nor The valley of the son of Hinnom, but The valley of Slaughter: for they shall bury in Topheth, until there be no place to bury. 33 The dead bodies of this people shall be food for the birds of the sky, and for the animals of the earth; and none shall frighten them away. 34 Then will I cause to cease from the cities of Judah, and from the streets of Jerusalem, the voice of mirth and the voice of gladness, the voice of the bridegroom and the voice of the bride; for the land shall become a waste.

Matthew Henry's Commentary on Jeremiah 7:30-34

Commentary on Jeremiah 7:29-34

(Read Jeremiah 7:29-34)

In token both of sorrow and of slavery, Jerusalem must be degraded, and separated from God, as she had been separated to him. The heart is the place in which God has chosen to put his name; but if sin has the innermost and uppermost place there, we pollute the temple of the Lord. The destruction of Jerusalem appears here very terrible. The slain shall be many; they having made it the place of their sin. Evil pursues sinners, even after death. Those who will not, by the grace of God, be cured of vain mirth, shall, by the justice of God, be deprived of all mirth. How many ruin their health and property without complaining, when engaged in Satan's service! May we learn to relish holy joys, and to sit loose to all others though lawful.