Pastor Kelly Lin's sermon "How Do I Pray? - Part 1" introduces the concept of thin spaces, where heaven and earth meet, aiming to help people feel confident in prayer. Lin explores the Lord's Prayer as a guide for authentic communication with God, emphasizing trust and vulnerability. She shares a personal story of finding strength in God despite hearing loss, highlighting prayer's essence of trust over receiving answers. The sermon inspires perseverance in prayer, emphasizing the transformative power of connecting with God in thin spaces.