• The gospel is also described as or called the gospel of God (Romans 15:16)

The gospel teaches us that, there is only one true God and Jesus Christ, who has been sent to us by the Father John 17:3, 1 Corinthians 8:5-6.
The Gospel also teaches us that, the worshiping of images, sun, moon etc and homosexuals, lesbianism, adultery etc are ungodly Romans 1:18-32

(see study guide on the Gospel of Christ, chapter three)