Contradiction with John 10:30
This verse claims that Jesus and the Father are one, which may seem to conflict with Ephesians 4:6 that emphasizes the oneness of God, potentially seen as distinct from Jesus.
John 10:30: I and [my] Father are one.
Contradiction with 1 Corinthians 8:5
This verse acknowledges the existence of many gods and lords, which contrasts with the idea of one God and Father of all in Ephesians 4:6.
1 Corinthians 8:5: For though there be that are called gods, whether in heaven or in earth, (as there be gods many, and lords many,)
Contradiction with Deuteronomy 6:4
While this verse also emphasizes the oneness of God, interpretations that recognize a complex unity of God could appear to contradict the singular focus in Ephesians 4:6.
Deuteronomy 6:4: Hear, O Israel: The LORD our God [is] one LORD:
Contradiction with Matthew 28:19
The mention of the Trinity in this verse could be seen as contradicting the singular mention of "one God and Father" in Ephesians 4:6.
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 Psalm 82:6
This verse refers to human beings as "gods," which might conflict with the assertion of one God in Ephesians 4:6.
Psalm 82:6: I have said, Ye [are] gods; and all of you [are] children of the most High.