Final answer:
John wrote these things in 1 John 1:4 to emphasize the importance of fellowship with God and one another.
Step-by-step explanation:
In 1 John 1:4, John wrote these things to emphasize the importance of fellowship with God and with one another. He wanted to convey the message that true joy and fulfillment are found in living in communion with God and following His commandments. By sharing these things, John hoped to encourage his readers to experience the fullness of life that comes from a relationship with God.