It would appear, then, that from the days of the apostles there were some who devoted themselves to God in a life of chastity, and that later on the promise or vow was made in the presence of others—the bishop, clergy, and friends. These virgins lived at home with their parents, whilst the times of persecution endured, making it practically impossible for them to live elsewhere. Common life amongst them would seem to have commenced in the East, and St. Athanasius, when, seeking refuge from the Arians, he came to Rome, introduced the custom to the Western Church.