In this sermon, the speaker shares a personal story about herding cows and relates it to the journey of God's people. He emphasizes the importance of the word of God, comparing it to a surgical tool that brings transformation. The speaker also highlights the reality that believers may make mistakes along their journey but encourages them to seek God's guidance. He concludes by sharing a touching anecdote about his father calming fighting bulls with his voice, illustrating the power of God's voice to bring peace.