“‘Hear, O Israel! The Lord is our God, the Lord is one!’” (Deuteronomy 6:4).
There is only one true God.
When God freed Israel to take her to the promised land, He said: “You shall have no other gods before Me” (Ex. 20:3). Later Moses told the Israelites, “The Lord, He is God; there is no other besides Him” (Deut. 4:35) and “The Lord is our God, the Lord is one!” (6:4). Israel was to believe in the one and only God.
But Jesus claimed to be God. Is He God number two? Not at all. In Mark 12:29-30, Jesus quoted Deuteronomy 6:4-5: “‘Hear, O Israel! The Lord our God is one Lord; and you shall love the Lord your God with all your heart, and with all your soul, and with all your mind, and with all your strength.’” If Jesus were another God He might have said, “Split your allegiance between the two of us.” But Jesus says we are to love God with undivided commitment. Therefore He agrees with Moses that there is only one God. However, He also says, “I and the Father are one” (John 10:30).
Continue reading John MacArthur – Strength for Today – God Is One