Pastor Paula White Cain discusses the concept of relying on faith in the Christian faith. She explains that faith means having total trust in the gospel and God's religious system. She emphasizes the importance of trusting God in all aspects of life, not just in matters of salvation. Pastor Paula also talks about the idea of being justified through faith and having peace with God. She warns against the enemy's attempts to weaken people's trust in the gospel and encourages listeners to have complete trust in God and his word.