How does meditation lead to peace in a Christian's life?

In Philippians 4:6-7, the act of prayer coupled with the meditation on the things Paul mentions in verse 8 results in the peace of God guarding our hearts and minds. As believers meditate on what is true, just, pure, and lovely, they are reminded of God's faithfulness and sovereignty, which cultivates an inner tranquility amid life's trials. This peace is not based on circumstances, but rather on a deep-seated assurance that comes from a life focused on God's Word and character. Ultimately, the more a believer meditates on Christ and His attributes, the more they experience true peace.