Contradiction with Genesis 1:1
This verse introduces the concept of God creating the heavens and the earth, whereas 1 John 5:8 focuses on the testimony of the Spirit, water, and blood, seemingly independent of creation.
Genesis 1:1: In the beginning God created the heaven and the earth.
Contradiction with Exodus 20:3
Establishes the command of worshipping no other gods, which contradicts the idea of multiple testifying entities in 1 John 5:8 as a source of divine testimony.
Exodus 20:3: Thou shalt have no other gods before me.
Contradiction with Deuteronomy 6:4
Asserts the oneness of God, which might contrast with the three different entities mentioned in 1 John 5:8.
Deuteronomy 6:4: Hear, O Israel: The LORD our God [is] one LORD:
Contradiction with Matthew 28:19
Calls for baptism "in the name of the Father, the Son, and the Holy Ghost," introducing the Trinitarian formula rather than the three elements in 1 John 5:8.
Matthew 28:19: Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost: [teach...: or, make disciples, or, Christians of all nations]
Contradiction with John 10:30
Jesus states, "I and my Father are one," focusing on unity rather than the distinct threefold witness in 1 John 5:8.
John 10:30: I and [my] Father are one.
Contradiction with Romans 8:16
Describes the Spirit bearing witness with our spirit as opposed to the separate testimony of the Spirit, water, and blood in 1 John 5:8.
Romans 8:16: The Spirit itself beareth witness with our spirit, that we are the children of God:
Contradiction with 1 Corinthians 8:6
Mentions one God, the Father, and one Lord, Jesus Christ, which could contrast with the three distinct witnesses in 1 John 5:8.
1 Corinthians 8:6: But to us [there is but] one God, the Father, of whom [are] all things, and we in him; and one Lord Jesus Christ, by whom [are] all things, and we by him. [in: or, for]
Contradiction with Hebrews 9:22
States that almost all things are purified by blood, contrasting with the specific joint testimony of the Spirit, water, and blood in 1 John 5:8.
Hebrews 9:22: And almost all things are by the law purged with blood; and without shedding of blood is no remission.
Contradiction with James 2:19
Acknowledges belief in one God, suggesting a simpler form of divine witness than the three-part agreement of 1 John 5:8.
James 2:19: Thou believest that there is one God; thou doest well: the devils also believe, and tremble.