Let’s dive into unpacking the deep meaning of Psalm 122:6 from the New King James Version (NKJV), which states: 

"Pray for the peace of Jerusalem: 'May they prosper who love you.'" 

This verse is rich with significance, both in its historical context and its broader spiritual implications. 

We’ll explore its meaning, connect it to other biblical references, consider real-life applications for today, and conclude with a prayer.

Context and Overview
Psalm 122 is one of the Songs of Ascents, a collection of psalms (Psalms 120–134) traditionally believed to have been sung by Israelite pilgrims journeying to Jerusalem for religious festivals like Passover, Pentecost, or Tabernacles. 

Jerusalem, as the city housing God’s temple, was the spiritual and physical heart of Israel. 

In this context, Psalm 122:6 is both a call to prayer and a blessing, reflecting a deep longing for the city’s well-being and a promise for those who cherish it.

The verse has two parts:
"Pray for the peace of Jerusalem" – A directive to intercede for the city’s peace.

"May they prosper who love you" – A blessing for those who hold Jerusalem dear.

To fully grasp its depth, we need to explore the meanings of "peace," "Jerusalem," and "prosperity" in biblical terms.

The Meaning of "Peace of Jerusalem"
The Hebrew word for "peace" here is shalom, which goes far beyond the absence of conflict. Shalom encompasses wholeness, well-being, harmony, and even prosperity.

Praying for the shalom of Jerusalem, then, is a plea for its complete flourishing—spiritually, socially, and physically.

But what is "Jerusalem" in this context? 
Historically, it’s the literal city where God’s presence dwelt in the temple (1 Kings 8:10-11). Biblically, however, Jerusalem often symbolizes more:

God’s Presence: As the location of the temple, it represented God’s dwelling among His people.

God’s People: It stood for the covenant community of Israel.

God’s Kingdom: In prophetic visions, like the New Jerusalem in Revelation 21:2, it points to the ultimate fulfillment of God’s redemptive plan.

Thus, praying for Jerusalem’s peace might include:
The well-being of God’s people.

The advancement of His kingdom.

The fulfillment of His promises, including the hope of the Messiah.

In the New Testament, Jesus Himself expressed this longing for Jerusalem’s peace. 
In Luke 19:41-42, He wept over the city, saying, "If you had known, even you, especially in this your day, the things that make for your peace! But now they are hidden from your eyes." 
His tears reveal a divine desire for Jerusalem’s spiritual restoration—a peace tied to recognizing Him as the Messiah.

The Blessing: "May They Prosper Who Love You"
The second part of the verse promises prosperity to those who love Jerusalem. 
In biblical terms, "prosperity" (shalu in Hebrew, related to shalom) isn’t limited to material wealth. 
It often includes spiritual blessings, peace, and fruitfulness. 
For example:
Psalm 1:3 describes the righteous as a tree planted by water, prospering in all they do—a picture of vitality and blessing.

Genesis 12:3 records God’s promise to Abraham: "I will bless those who bless you, and I will curse him who curses you; and in you all the families of the earth shall be blessed." Since Jerusalem is central to God’s covenant with Abraham’s descendants, loving Jerusalem aligns with this promise.

This suggests a principle: 
those who care for what God cares about—His city, His people, His purposes—will experience His favor. 
This isn’t a transactional "prosperity gospel" but a relational truth: aligning our hearts with God’s brings spiritual richness.

Biblical Connections
Let’s enrich this understanding with other scriptures:
Isaiah 62:1: "For Zion’s sake I will not hold My peace, and for Jerusalem’s sake I will not rest, until her righteousness goes forth as brightness, and her salvation as a lamp that burns." 
This reflects an active commitment to Jerusalem’s well-being, linking peace with righteousness and salvation.

Romans 10:1: Paul writes, "Brethren, my heart’s desire and prayer to God for Israel is that they may be saved." 
Since Jerusalem is the heart of Israel, praying for its peace includes praying for the salvation of its people—a theme that bridges the Old and New Testaments.

Revelation 21:2: "Then I, John, saw the holy city, New Jerusalem, coming down out of heaven from God, prepared as a bride adorned for her husband." 
This ultimate Jerusalem represents the consummation of God’s kingdom, suggesting that praying for Jerusalem’s peace has an eschatological dimension.

These references show that Jerusalem’s significance spans history—from the earthly city to the heavenly one—making the call to pray both immediate and eternal.

Real-Life Applications
How do we apply Psalm 122:6 today? 
Jerusalem remains a real city with real challenges, but its symbolic meaning also broadens our application as Christians.
1. Praying for the Literal City
Peace in Conflict: Jerusalem and the Middle East are often marked by tension. We can pray for resolution, safety for its inhabitants, and justice among Jews, Christians, and Muslims living there.

Support for Ministries: Contributing to organizations that serve in Jerusalem—whether through humanitarian aid, evangelism, or peacebuilding—reflects this prayer in action.

Pilgrimage: Visiting Jerusalem as a pilgrim can deepen our appreciation for its biblical and spiritual significance.

2. Praying for the Spiritual Jerusalem
The Church: As God’s people today (Galatians 6:16), the church is a spiritual Jerusalem. Pray for its unity, growth, and peace.

The Gospel: Since Jerusalem symbolizes God’s kingdom, we can pray for the spread of the gospel, which brings true shalom.

God’s Kingdom: Intercede for the return of Christ and the establishment of the New Jerusalem, where God’s peace will reign fully.

3. Personal Alignment
Loving God’s Purposes: When we invest in kingdom work—supporting believers, serving the church, or advancing God’s mission—we "love Jerusalem" and position ourselves for His blessings.

Spiritual Prosperity: This might manifest as peace, purpose, or growth in faith, rather than just material gain.

Conclusion
Psalm 122:6 is a profound call to pray for the peace of Jerusalem—both the historical city and the broader reality of God’s presence, people, and kingdom. 

It’s an invitation to align our hearts with God’s, with the promise that those who love what He loves will prosper in His way. 

This verse bridges the Old Testament’s focus on a physical place with the New Testament’s vision of a spiritual and eternal hope.

Closing Prayer

Heavenly Father, we lift up the peace of Jerusalem to You. 
We pray for the well-being of the city—its people, its streets, and its future. 
Grant shalom where there is strife, and let Your presence dwell there. We also pray for Your spiritual Jerusalem, the church, asking for unity, strength, and the spread of Your gospel. 
May Your kingdom come, and may the New Jerusalem be our hope. 
Bless those who love You and Your purposes, prospering them with Your peace, joy, and righteousness. 
Align our hearts with Yours, and may we live for the glory of Your name. 
In Jesus’ name, Amen.