Theme: The triune God confirms and testifies to his nature in Scripture, history and our hearts; worship him for there is no other

Link to Belgic Confession Article 9

Heresies which recognise three distinct persons but only the Father is God
- Muslims, Jews, Arians (Jehovah's Witnesses), Marcion, Mani

Heresies which deny three distinct persons, they are but different manifestations of God
- Praxeas, Sabellius (Modalism, e.g. T.D. Jakes), Paul of Samosata