A Voice from the Past - Gregory of Nazianzen

For how can He be sin, Who setteth us free from sin; and how can He be a curse, Who redeemeth us from the curse of the Law? But it is in order that He may carry His display of humility even to this extent, and form us to that humility which is the producer of exaltation. As I said then, He is made a Fisherman; He condescended to all; He casteth the net; He endureth all things, that He may draw up the fish from the depths, that is, Man who is swimming in the unsettled and bitter waves of life.

Gregory of Nazianzen, 330-390 AD, Select Orations, Oration 37, 1 (The Nicene and Post Nicene Fathers, Vol. 7, Philip Schaff and Henry Wace, translated by Charles Gordon Browne and James Edward Swallow, T & T Clark and Wm. B. Eerdmans, 1996, p. 338)

How important is this kind of humility? How can we obtain it?