What is God?
God is a Spirit, (John 4:24) infinite, (Job 11:7–9) eternal, (Psalm 90:2) and unchangeable, (James 1:17) in his being, (Exodus 3:14) wisdom, (Psalm 147:5) power, (Revelation 4:8) holiness, (Revelation 15:4) justice, goodness, and truth. (Exodus 34:6–7)
The Westminster shorter catechism: with Scripture proofs
Arnold Brevick’s sermons about God: