How does faith in Christ lead to overcoming the world?

1 John 5:4 states that everyone born of God overcomes the world, with faith being the victory that achieves this. Believers overcome worldly challenges, temptations, and opposition because their faith is rooted in Christ, who has already secured victory through His death and resurrection. This victory is not a personal achievement but a result of reliance on Christ as their redeemer and surety. By looking to Him and trusting in His sufficiency, believers can see beyond the immediate trials of this life, understanding that true victory is grounded in the eternal promises of God, which provide hope and assurance amid the struggles they face.