Why is it essential for Christians to understand what God has done for them?

Recognizing God's actions towards us is vital for our spiritual health. In the sermon, it's emphasized that God's salvation is not about what we do for Him but what He has done for us through Christ. This leads to a posture of humility and gratitude, as seen in David's response in 2 Samuel 7:18-19. God has taken us from our lowly state and exalted us, and acknowledging this truth encourages us to worship Him sincerely and deeply, rather than becoming caught up in our endeavors and obligations.