Dates Lived: 298-373

Most important works:

  • On the Incarnation (317)
  • The Nicene Creed (325)

Biggest Contributions:

  • Untiring advocate for Trinitarian theology against Arianism. In fact, much of the way we think about the Trinity goes back to his efforts.
  • A biography of Anthony the Great that inspired the monastic movement
  • First to identify the 27 books currently in our New Testament
  • Main author of the Nicene Creed, unarguably the most important creed in Christian history.


Favorite Quotes

“The Jesus whom I know as my Redeemer cannot be less than God.”

“The Son of God became man so that men might become sons of God.”

“You cannot put straight in others what is warped in yourself.”

“[We believe] in one Lord Jesus Christ, the Son of God, begotten from the Father, only-begotten, that is, from the essence of the Father, God from God, light from light, true God from true God, begotten not made, of one essence with the Father, through Whom all things came into being, things in heaven and things on earth, Who because of us men and because of our salvation came down and became incarnate, becoming man, suffered and rose again on the third day, ascended to the heavens, and will come again to judge the living and the dead…” – from the 325 version of The Nicene Creed