Augustine of Hippo : When it is difficult for them to be found, now I will find them. The fog is dense, the storm cloud thick; nothing escapes his eyes. — SERMON 46:23 Gregory of Nazianzus : He is shepherd to shepherds and a guide to guides: that we may feed his flock with knowledge, not with the instruments of a foolish shepherd. — IN DEFENSE OF HIS FLIGHT TO PONTUS, ORATION 2:117