Why does God speak through preaching?

According to 1 Corinthians 1:21, it pleased God through the foolishness of preaching to save those who believe. Preaching is a divinely appointed means of conveying the gospel, and it serves as a channel through which the voice of God reaches the hearts of people. The sermon emphasizes that it is not merely the act of preaching that is foolish, but rather the message itself appears foolish to the world. However, for those who have been granted ears to hear, preaching reveals the power and wisdom of God, leading to salvation and encouragement in faith. Thus, preaching is essential for believers in their spiritual growth and connection to God's purpose.