The central message of this sermon is that true confidence and trust in God's goodness and power can be maintained even in the midst of life's challenges and difficulties. The psalmist in Psalm 9 expresses a sense of faith and confidence in God's ability to deliver and protect, even when faced with enemies and troubles. This message advances the belief that our faith is not about feeling good or having all our problems solved, but rather about trusting in God's sovereignty and goodness, even when we don't fully understand what's happening. The takeaway the teacher wants listeners to understand is that as they walk through life's challenges, they should be sharing their story of God's goodness and presence with others, just like David did with King Saul. This emphasis on walking with God and talking about him to others suggests that our faith is not just a personal relationship, but also a public witness, and that we are called to live out our trust in God in the midst of everyday life, even when it's hard or difficult.