"The Idea Of Christ Is Much Older Than Christianity." "The Soul Is By Nature Christian"

The idea of Christ is much older than Christianity

The Idea of Christ in the Gospels (1946)

George Santayana 

Anima naturaliter Christiana

"The soul is by nature Christian."

Tertullian

"The Soul Is By Nature Christian."
http://paxonbothhouses.blogspot.com/2013/08/the-soul-is-by-nature-christian-anima.html