David Ravenhill speaks on the habitation of God, emphasizing the importance of creating an environment where God can dwell. He discusses how God desires to reside among His people and the conditions necessary for this, including holiness, worship, and thanksgiving. Ravenhill illustrates that just as a home reflects its inhabitants, our lives should reflect God's presence and character. He urges the congregation to prepare their hearts as a dwelling place for God, aligning their lives with His standards and inviting His presence to abide within them.