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Early life and education

Basil was born into the wealthy Cappadocian Greek family of Basil the Elder, and Emmelia of Caesarea, in Cappadocia, around 330. He was one of ten children, and his parents were known for their piety. His maternal grandfather was a Christian martyr, executed in the years prior to Constantine I 's conversion. His pious paternal grandmother, Macrina, a follower of Gregory Thaumaturgus (who had founded the nearby church of Neocaesarea), raised Basil and four of his siblings who also are now venerated as saints: Macrina the Younger, Naucratius, Peter of Sebaste, and Gregory of Nyssa.

Basil received more formal education in Caesarea Mazaca in Cappadocia (modern Kayseri) around 350–51. There he met Gregory of Nazianzus. Gregory went to Alexandria, while Basil went to Constantinople for further studies, including the lectures of Libanius. The two later met again in Athens and became fast friends. There they met a fellow student who would become the emperor Julian the Apostate. Basil left Athens in 356, and after travels in Egypt and Syria, he returned to Caesarea. For around a year he practiced law and taught rhetoric.

Basil's life changed radically after he encountered Eustathius of Sebaste, a charismatic bishop and ascetic. Abandoning his legal and teaching career, Basil devoted his life to God. In a letter he described his spiritual awakening:

I had wasted much time on follies and spent nearly all of my youth in vain labours, and devotion to the teachings of a wisdom that God had made foolish. Suddenly, I awoke as out of a deep sleep. I beheld the wonderful light of the Gospel truth, and I recognized the nothingness of the wisdom of the princes of this world.