1 John 4:16 says that “God is Love,” that is, the very essence, or substance (the ousia), of God is love. Extending through all eternity, the Father has a relationship of superabundant love with the Son, and the Son with the Spirit, and the Spirit with the Father: Father, Son, and Spirit, sharing a perfect love…The love is the substance. God is not merely a God who loves, he is the God who is love, whose very being consists of the eternal love between Father, Son, and Holy Spirit.

Accreditation Helps by Ben Elliott – page 10

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