Creeds, Confessions and Catechisms (3C) - Westminster Shorter Catechism (WSC)

 Q. 4. What is God?

A. God is a Spirit,[7] infinite,[8] eternal,[9] and unchangeable,[10] in his being,[11] wisdom,[12] power,[13] holiness,[14] justice,[15] goodness,[16] and truth.[17]

Q. 5. Are there more Gods than one?

A. There is but one only,[18] the living and true God.[19]

Q. 6. How many persons are there in the Godhead?

A. There are three persons in the Godhead: the Father, the Son, and the Holy Ghost;[20] and these three are one God, the same in substance, equal in power and glory.[21]