George Fox addresses all Friends scattered abroad, urging them to dwell in the light that comes from Christ, which enables them to see Him as their Savior and grow in Him. He emphasizes that those who are in Christ are new creations, free from condemnation, and are led by the Spirit to discern the deceivers and antichrists in the world. Fox warns against false teachers and prophets who exploit the people and highlights the importance of walking in the light to receive the light of life. He reiterates that the light reveals the true nature of those who oppose it and condemns their actions. Ultimately, he calls for a commitment to the light, which brings clarity and truth amidst the darkness.