Isaiah 11:4 (KJV) states: "But with righteousness shall he judge the poor, and reprove with equity for the meek of the earth: and he shall smite the earth with the rod of his mouth, and with the breath of his lips shall he slay the wicked."

This verse is a prophecy about the coming Messiah, Jesus Christ, and the righteous judgment and justice that he will bring to the world. It speaks to the themes of righteousness, justice, and the sovereignty of God over the earth.

The book of Isaiah is one of the major prophetic books in the Old Testament, and it contains numerous prophecies about the coming of the Messiah. This verse, in particular, emphasizes the character of the Messiah as a righteous and just ruler who will bring equity and fairness to the poor and meek. This reflects the Old Testament understanding of the Messiah as a king who would establish a kingdom of peace and justice.

The verse begins with the declaration, "But with righteousness shall he judge the poor," highlighting the importance of righteousness in the rule and judgment of the Messiah. This emphasizes that the Messiah's judgment will be fair and just, particularly for those who are poor and marginalized. It speaks to the idea that in God's kingdom, the lowly and oppressed will receive justice and protection.

The verse goes on to mention the "rod of his mouth" and the "breath of his lips," symbolizing the power and authority of the Messiah. The imagery of the rod and breath emphasizes the spoken word as a weapon of judgment and justice. This highlights the power of the spoken word to bring about change and transformation, as well as the authority of the Messiah to bring about justice through his words.

Furthermore, the idea of the Messiah "smiting the earth" and "slaying the wicked" with his words conveys the ultimate power and authority of the Messiah over the forces of evil and injustice. This speaks to the eschatological theme of judgment and restoration, where the Messiah will ultimately defeat and overcome all evil and establish his kingdom of righteousness and peace.

The context of this verse is important to understanding its significance. In the preceding verses of Isaiah 11, there is a description of the attributes and characteristics of the coming Messiah, including wisdom, understanding, counsel, might, knowledge, and the fear of the Lord. This sets the stage for the declaration of the Messiah's righteous judgment and justice in verse 4.

In Christian theology, this verse is often seen as a prophecy of Jesus Christ and his role as the righteous and just ruler who will bring about God's kingdom on earth. It is also connected to the New Testament understanding of Jesus as the Word of God, who speaks with authority and power, and who will ultimately bring about the defeat of evil and the establishment of God's reign.

In conclusion, Isaiah 11:4 (KJV) is a powerful prophecy about the coming Messiah and his role as a righteous and just ruler who will bring about equity and justice for the poor and meek of the earth. It emphasizes the power and authority of the Messiah to bring about judgment and justice through his spoken word, and highlights the ultimate victory of good over evil in the establishment of God's kingdom. This verse continues to be a source of hope and inspiration for believers, pointing to the promise of a future reign of righteousness and peace under the rule of the Messiah.