What does the Bible say about the importance of preaching Christ?

In Acts 18, Apollos is introduced as a powerful preacher who is fervent in spirit and mighty in the Scriptures. He diligently teaches the things of the Lord, having received instruction in the ways of God. The Scripture reveals that he proclaimed Christ mightily, convincing others that Jesus is the Messiah. This highlights the singular importance of Christ in preaching, aligning with the commission given to all believers to declare the gospel. It teaches us that our focus should remain on Christ and not be distracted by mere theology or personal ambition, emphasizing that true peace comes from knowing Christ intimately.