Why is it important for Christians to focus on the heart in worship?

In the Christian faith, worship flows from a heart transformed by grace. Jesus warns against external displays that do not reflect an inward reality (Matthew 15:8). The heart is where true worship begins; it must be aligned with God’s will and motivated by love, as seen in Isaiah 29:13. Worshiping from the heart prevents the dangers of legalism and hypocrisy that the Pharisees embodied, ensuring that our devotion is sincere and pleasing to God rather than mere performance. In Galatians 6:15, Paul notes that true faith produces a new creature, emphasizing that our worship must come from a life that is genuinely renewed by Christ.