This sermon explores the practical remedy for anxiety and worry found in Philippians 4:8-9, emphasizing the importance of intentionally directing one's thoughts toward what is true, honorable, just, pure, lovely, and praiseworthy. Drawing on John Bunyan's allegory of the soul's gates, the message warns against allowing falsehoods and harmful influences to penetrate the mind through the ear, eye, and mouth. The central argument posits that while believers are called to meditate on these virtues, only Jesus Christ perfectly embodies all of them, making Him the ultimate focus of such contemplation. By fixing the mind on the character and work of Christ, believers can counter the internal assaults of worry and experience the surpassing peace of God that guards their hearts and minds.