Athanasius of Alexandria (c. AD 296–373) was one of the most influential defenders of Christian doctrine in the early church. He served as bishop of Alexandria in Egypt and became famous for defending the belief that Jesus Christ is fully God.
His leadership helped shape the theology of the early church and preserve what became the historic Christian understanding of Christ.
1. Defender of the Divinity of Christ
Athanasius is best known for opposing the teachings of Arius, who taught that Jesus was created and not equal with God.
Athanasius argued that:
- Jesus is eternal, not created
- The Son shares the same divine nature as the Father
- Salvation requires Christ to be fully divine
This teaching was affirmed at the First Council of Nicaea (AD 325).
Because of his firm stance, Athanasius became known for the phrase:
“Athanasius contra mundum”
(Athanasius against the world)
This phrase reflects how he stood almost alone at times defending the Nicene faith.
2. Protector of the Nicene Creed
After the council of Nicaea many leaders still supported Arian ideas.
Athanasius spent much of his life defending the doctrine expressed in the Nicene Creed, which states that Christ is “of the same essence” as the Father.
His writings helped ensure that the Nicene teaching eventually became the dominant belief in Christianity.
3. Exile for His Beliefs
Because of the political conflicts surrounding the Arian controversy, Athanasius was exiled five different times from Alexandria.
Altogether he spent about 17 years in exile.
Despite this, he continued writing and encouraging churches to hold to the apostolic teaching about Christ.
4. His Teaching on the Incarnation
One of Athanasius’s most famous works is On the Incarnation.
In this book he explains why God became human in Jesus.
His central message was:
- Humanity fell into corruption through sin
- Only God could restore humanity
- Therefore the Son of God became human to bring salvation
He summarized this idea in a famous line:
“He became what we are that He might make us what He is.”
5. Influence on the New Testament Canon
Athanasius also played a key role in recognizing the books of the New Testament.
In his Easter letter of AD 367, he listed the 27 books that now make up the New Testament—the same list used by Christians today.
These included:
- Gospel of Matthew
- Gospel of Mark
- Gospel of Luke
- Gospel of John
This helped clarify which writings were considered authoritative Scripture.
6. His Influence on Christian Thought
Athanasius helped shape several key areas of Christian theology:
- The divinity of Christ
- The understanding of the incarnation
- The authority of the New Testament canon
- The defense of orthodox belief against heresy
Because of this, he is considered one of the most important theologians in Christian history.
Reflection
Athanasius’s life shows that defending truth often requires courage.
He faced opposition, exile, and criticism, yet he believed that the truth about Christ was worth defending—because the identity of Jesus is central to the gospel itself.