St. Athanasius’ defense of the Christ’s Divinity and Virgin Birth against the Jews

In St. Athanasius’ treatise ‘On the Incarnation’, he writes to a certain Macarius who was a proselyte to Christianity. Being inexperienced in apologetics, St. Athanasius had instructed him through this work to guide him on the Church’s teaching regarding the Omnipotence of the Word and His Incarnation. This was a doctrine which was challenged by both Jews and Gentiles alike; as it was a radical change from what was taught by history’s greatest philosophers, and exceeded human rationality.

For this particular post, we will be examining St. Athanasius’ rebuttal of the Jews, and how he proved the Incarnation from Holy Writ.


To initiate his rebuttal, he first addressed the Jew’s skepticism of Christ’s Life, Death, and Resurrection. He opens by appealing to the Old Testament scriptures; as they are shared by both Christians and the Jews alike since both religions revere them as being God inspired and therefore: authoritative, infallible, and inerrant. 

To cite him directly:

“First, then, we will consider the Jews. Their unbelief has its refutation in the Scriptures which even themselves read; for from cover to cover the inspired Book clearly teaches these things both in its entirety and in its actual words”

~ (On the Incarnation, Chapter VI). 

Following this, he claims that the Prophets foretold Christ’s Virgin Birth; and cites prophets such like Isaiah and Moses. 

Citing the Prophet Isaiah, he said:

“Prophets foretold the marvel of the Virgin and of the Birth from her, saying, “Behold, a virgin shall conceive and bear a son, and they shall call his name ‘Emmanuel,’ which means ‘God is with us’ (Isaiah 7:14)”

~ ibid.

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