Psalms 106:30 (KJV) says, "Then stood up Phinehas, and executed judgment: and so the plague was stayed."

This verse comes from the book of Psalms, which is a collection of songs and poetry that are often attributed to King David. The context of this particular verse is found in Psalm 106, which is a reflection on the history of Israel and their repeated disobedience to God. The psalmist recounts the various ways in which the Israelites turned away from God and went after idols, but also acknowledges God's faithfulness and mercy towards them.

The specific verse, Psalms 106:30, refers to an incident found in the book of Numbers, chapter 25. In this chapter, the people of Israel began to indulge in sexual immorality and worship the gods of Moab, which led to God's anger being kindled against them. As a result, a plague broke out among the people, and many of them were dying. In the midst of this crisis, Phinehas, the grandson of Aaron the high priest, took a stand for the Lord and executed judgment by killing an Israelite man and a Midianite woman who were publicly engaged in idolatrous and immoral behavior. This act of Phinehas' zealousness for God's holiness and faithfulness to the covenant brought a halt to the plague, and the people were spared from further destruction.

The themes present in this verse include the concepts of judgment, zealousness for God's holiness, and the consequences of disobedience. Phinehas's actions exemplify the idea of taking a stand for righteousness and being willing to confront sin and its effects. There is also a clear demonstration of the importance of upholding the covenant and following the commandments of God. Additionally, the verse underscores the idea of intercession and the power of one person's actions to bring about a change in a dire situation.

The symbolism in this verse is significant as well. Phinehas can be seen as a foreshadowing of Christ, who would ultimately bring an end to the ultimate plague of sin and death through his sacrifice on the cross. His zealousness for God's holiness mirrors the righteousness of Christ, who upheld the law perfectly and intervened on behalf of sinful humanity. Furthermore, the stopping of the plague can be seen as a symbol of God's mercy and grace, even in the face of judgment. It serves as a reminder that God is faithful to his people and will provide a way out of even the most dire circumstances.

As a whole, Psalms 106:30 serves as a reminder of the importance of remaining faithful to God and standing up for righteousness, even in the midst of a sinful and rebellious world. It also serves as a reflection on the mercy and grace of God, and the ultimate sacrifice of Christ that brings an end to the plague of sin. It is a call to action for believers to be zealous for the things of God and to intercede on behalf of those who are suffering due to sin.