What is human pain?

What is human pain? It does not mean only physical pain. It is a pain considered sacred by mystics and is peculiar to human beings; and for this reason, a human being is preferable to an angel, for an angel is free from pain. That human pain is the pain of seeking God. Man is a reality produced by divine breath in another world, and is not wholly homogeneous with the things of this world. He has a feeling of strangeness and alienation with all other creatures here, since they are all changeable and perishable and not worthy of attachment. Man, however, has a perpetual anxiety, and this is what draws him towards devotion and worship of God, communion with Him, and proximity to Him, as his origin.