How can Jesus be both God and man?

The Incarnation is one of the essential doctrines of Christianity. It is the belief that God became incarnate in the historical Jesus who was both truly God and truly Man. Any mixing or blurring of the two natures within Christ has traditionally resulted in heresy for going against the explicit teachings of scripture. This explains why such a vital Christian Doctrine has been under attack since the beginning. Christians are accused of believing in a logical contradiction. [1]

Some have argued that God possesses attributes like omnipotence, omniscience, omnipresence and is described as timeless, spaceless and immaterial. God has these attributes necessarily and if He were to lose any of them, He would cease to be God. However, these properties are not typically observed in human beings. Thus the question is raised “How can Jesus be both truly God but truly Man at the same time”?[2]

Philosopher Thomas V. Morris, from the University of Notre Dame, summarizes the problem as follows:

“It is logically impossible for any being to exemplify at one and the same time both a property and its logical complement. Thus, recent critics have concluded, it is logically impossible for any one person to be both human and divine, to have all the attributes proper to deity and all those ingredients in human nature as well. The doctrine of the Incarnation on this view is an incoherent theological development of the early church which must be discarded by us in favour of some other way of conceptualizing the importance of Jesus for Christian faith. He could not possibly have been God Incarnate, a literally divine person in human nature.” [3]

This does look like a serious difficulty but Morris has produced one of the best responses to this sort of challenge in his book “The Logic of God incarnate”. Following his lead, Philosopher Ronald H. Nash has revisited the argument and laid it out for us in his book “Worldviews in Conflict”. Like Morris, Ronald presents three major distinctions that needs to be understood in order to work our way out of this apparent contradiction. They are as follows:

  1. The distinction between essential and nonessential properties
  2. The distinction between essential and common properties
  3. The distinction between being fully human and merely human. [4]

Essential and nonessential properties

The word ‘property’ simply refers to a feature or characteristic of something. Properties are of two types, essential and nonessential, which we can understand by looking at the example of a red ball. The colour of a ball is a nonessential property because even if we change the colour to yellow or blue, the object would still be a ball. But the property of ‘roundness’ is an essential property, because if we were to change that then the object would cease to be a ball. One cannot have a ball that isn’t round. Similarly there are certain properties which are essential to God such as necessary existence, omnipotence, omniscience, and so on. If there is a being that might lack any of these essential properties, then that being could not be God. When Christians affirm that Jesus is God, they also affirm that Jesus possesses all these essential properties of God. This is pretty obvious as well as easy to grasp, but the real problem arises when we try to identify the essential properties of human beings. Critics of incarnation go wrong when they believe that in order to be a human one has to be lacking in omnipotence, omniscience, omnipresence, etc. In other words, it is incorrect to conclude that the lack of these properties is essential to being human. This could be explained further, but we first need to understand the distinction between essential and common properties. [5]

Essential and common properties

A common property is any property that human beings possess but it is not necessarily an essential property. In order to explain this common property, Ronald refers to Morris’ example of ten fingers. He explains that since all human beings have ten fingers, this is common property. But it is obvious that having ten fingers is not an essential property to being a human because a man can lose one or all of the fingers and still be a human being. [6] Let’s take a look at how Morris explains the importance and relevance of these points with regards to the doctrine of Incarnation:

“It is certainly quite common for human beings to lack omnipotence, omniscience, necessary existence, and so on. I think any orthodox Christian will agree that, apart from Jesus, these are even universal features of human existence. Further, in the case of any of us who do exemplify the logical complements of these distinctively divine attributes, it may well be most reasonable to hold that they are in our case essential attributes. I, for example, could not possibly become omnipotent. As a creature, I am essentially limited in power. But why think this is true on account of human nature? Why think that any attributes incompatible with deity are elements of human nature, properties without which one could not be truly or fully human?”[7]

In other words, even though you and I lack those essential properties of a divine being, where is the argument that proves these limitations are essential for being human? Morris argues that these properties are simply common human properties and not essential ones. [8]

Being Fully Human and Being Merely Human

An individual is ‘fully human’ if he has all the essential human properties, while an individual is merely human if he has all the properties of a human being but has some additional limitations like for example lacking omnipotence, lacking omniscience and so on. That being said, what Christians believe is that “Jesus was fully human without being merely human.” What it means is that, Jesus possessed all the properties essential to being a deity as well as all the properties to being a human being. Morris argues that critics are confused when they try to conclude that the lack of divine properties is essential to human nature.


The three major distinctions play a vital role in defeating the alleged contradiction that exists within the Doctrine of Incarnation and thus helps us in concluding that the orthodox Christology is not self-contradictory. 



[1] Nash, Ronald H. 1992. WORLDVIEWS IN CONFLICT – CHOOSING CHRISTIANITY IN A WORLD OF IDEAS. Michigan, MI: ZondervanPublishingHouse., pp. 99-100

[2] Ibid., p.100

[3] Morris, Thomas V. 1988. “Understanding God incarnate.” Accessed March 17, 2018.

[4] Nash, Ronald H. 1992. WORLDVIEWS IN CONFLICT – CHOOSING CHRISTIANITY IN A WORLD OF IDEAS. Michigan, MI: ZondervanPublishingHouse., p. 101

[5] Ibid., pp. 102-103

[6] Ibid., pp. 103-104

[7] Morris, Thomas V. 1988. “Understanding God incarnate.” Accessed March 18, 2018.

[8] Nash, Ronald H. 1992. WORLDVIEWS IN CONFLICT – CHOOSING CHRISTIANITY IN A WORLD OF IDEAS. Michigan, MI: ZondervanPublishingHouse., p. 104

6 replies
  1. Tony Ryken
    Tony Ryken says:

    Jesus the man
    And with story writing can
    Be made into a God
    By any human bod
    In the world of fantasy and dreams
    And in religious superstitious schemes
    All I know is God is Love
    Not some control freak way above

  2. Enan Christian
    Enan Christian says:

    Hi Tony! That’s an interesting poem I must say. But I would love to know what do you think of this particular article.

  3. Tony Ryken
    Tony Ryken says:

    Hi Enan sorry for taking so long to answer but I came upon this website again today .So to answer your question I would say that according to the bible you are right in your statements. However I am a questioning person and have a lot of doubts about the truth of the bible as it is being taught. Jesus was a human being, but the God of the bible is not a Being as is taught God is Love and that can live within you or me or anyone. The idea that we will have to face that God when we die is a hoax and simply a matter to try and push belief, that sort of stuff does not work for me. Saying that I have a motto “Live and let live “

  4. Enan Christian
    Enan Christian says:

    Hi Tony! I think you’re misinformed. Bible doesn’t teach that God is not a being, on the contrary it teaches that God is a being. The article talks about Jesus being both God and man, which I guess you have missed when you mentioned ‘Jesus was a human being’. The rest of the comment seems to be attacking a straw man.

  5. Tony Ryken
    Tony Ryken says:

    You are right ,the bible teaches that God is a Being . A Being has a beginning and an end ,so I say God is not like that at all , God is Love and can live within human beings.Much of the bible as I see it now is a complete hoax dreamed up by superstitious deluded human beings . Wake up and see the light. There are so many different beliefs like that the world is riddled with it. I like common sense where you can work things out for yourself without the need for being preached to by every believing Tom Dick and Harry.

Leave a Reply

Want to join the discussion?
Feel free to contribute!

Leave a Reply

Your email address will not be published. Required fields are marked *