

A Point of Agreement with Trinitarians
Many attempts to refute trinitarian thinking do so by also denying what’s called the “hypostatic union,” a doctrine which makes two central claims about the nature of Christ.
- Jesus is truly God. He possesses an uncreated, divine nature which predates the existence of the universe.
- Jesus is truly Man. He possesses a created, human nature with everything needed to make him truly human (e.g. a distinct human body, soul, and will etc.)
In trinitarian thinking, these two natures exist as a single, united person. Jesus is not two persons in one body (they believe), but rather one person with two natures. John MacArthur writes on this subject,
In AD 325, the Council of Nicaea affirmed Scripture’s revelation of Jesus being truly God. Then in AD 451, the Council of Chalcedon agreed that Jesus was at the same time human and divine, involving a “hypostatic union” of two natures without confusion, without change, without division, and without separation. The Apostles’ Creed (fifth century AD) thus states, “I believe in… Jesus Christ, his only Son, our Lord, who was conceived by the Holy Ghost, born of the Virgin Mary.” In other words, the hypostatic union consists of the two natures of Christ in one theanthropic (God-man) person. This union maintains Christ’s deity undiminished and in his humanity unexalted…
While the human nature the Son of God received in his incarnation allows him to experience humanity, he does not exist as two persons. He is but one person with two natures—the divine and the human.
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Jesus is Truly God
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Jesus is Truly Man
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