Clement of Alexandria The Instructor Book I This is the eternal adjustment of the vision, which is able to see the eternal light, since like loves like; and that which is holy, loves that from which holiness proceeds, which has appropriately been termed light. "Once ye were darkness, now are ye light in the Lord."[56] Tertullian A Treatise on the Soul And if so, the apostle too was in error when he said in his epistle, "Ye were at one time darkness, "[171]