Psalm 40:9-17
The second half of Psalm 40 (Psalm 40:9–17) might be a good song to sing in response to your sermon. In these verses the psalmist commits himself to boldly proclaiming God’s truth, before acknowledging that he really needs God’s help and mercy to live in this world. Like the psalmist we want to be on our guard against false teachers, but due to our sinful natures we know we need God’s help to stop us from falling.
10 and especially those who indulge in the lust of defiling passion and despise authority.Bold and willful, they do not tremble as they blaspheme the glorious ones,