And when he was come into the house, his disciples asked him privately, Why could not we cast him [the evil spirit] out? And he said unto them, This kind can come forth by nothing, but by prayer and fasting [Matthew 17:19-21].
Jesus offers us insight into the nature of certain malevolent conditions that require uncommon efforts to correct. His disciples had been unable to cast out a particularly unmanageable spirit by conventional declarations and oaths. The Messiah suggests that their faith was insufficient. It had to be bolstered by fasting and prayer, to succeed against such a defiant opponent.
Today, we live in a period of greatly diminished faith. Having abandoned the paths offered by scripture, we have opened the doors to unprecedented social degeneration. The vacuum created by rejecting faith has been filled by a "banality of evil" that reigns pervasively throughout modern societies. Philosopher Hannah Arendt eloquently expressed this in her analysis of the trial of Nazi leader, Adolph Eichmann:
From the viewpoint of our legal institutions and our moral standards of judgment, this normality was much more terrifying than all the atrocities put together, for it implied . . . that this new type of criminal . . . commits his crimes under circumstances that make it well-nigh impossible from him to know or feel that he is doing wrong. [Hannah Arendt, Eichmann in Jerusalem: A Report on the Banality of Evil].
Our first line of defense against such prevailing depravity is to rely on the grace of God, being faithful in our worship, adhering to high moral principles and avoiding sinfulness. We must remain firm in our personal commitment to Truth, and to persevering in a life of altruistic service. However, under extreme conditions, our personal exorcism must include dedicated prayer and fasting.
A fifth and more weighty reason for fasting is that it is a help to prayer; particularly when we set apart larger portions of time for private prayer. Then especially it is that God is often pleased to lift up the souls of his servants above all the things of earth, and sometimes to rapt them up, as it were, into the third heaven. And it is chiefly as it is a help to prayer that it has so frequently been found a means in the hand of God of confirming and increasing . . . seriousness of spirit, earnestness, sensibility, and tenderness of conscience; deadness to the world and consequently the love of God and every holy and heavenly affection [John Wesley, Sermons on Several Occasions]
Fasting enhances God-consciousness, humbles the spirit and immerses the mind in repentance. It makes our soul bow even before we prostrate in prayer, diluting our arrogance, shrinking our pride and binding our ego, leaving us free to worship and praise the Almighty Creator uninhibited by affectation and amenities.
As Jesus pointed out, exorcism as prayer for liberation and deliverance from evil is most effective when accompanied by fasting. Whether at the individual or communal level, prayer and fasting are powerful natural resources for resisting the disintegration of our social order.
In regard, then, to the discipline of which we now treat, whenever supplication is to be made to God on any important occasion, it is befitting to appoint a period for fasting and prayer. Thus when the Christians of Antioch laid hands on Barnabas and Paul, that they might the better recommend their ministry, which was of so great importance, they joined fasting and prayer (Acts 13:3). Thus these two apostles afterwards, when they appointed ministers to churches, were wont to use prayer and fasting (Acts 14:23). In general, the only object which they had in fasting was to render themselves more alert and disencumbered for prayer. [John Calvin, Institutes of the Christian Religion]
On the communal level, persons in leadership positions must employ all available resources. Of particular importance are spiritual assets generally dismissed as unscientific and disregarded by most contemporary leaders. These include our faithful arsenal of fasting and prayer.
Fasting heightens the ecstasy of communal prayer. It is comparable to a chemical reaction that produces unexpected byproducts. It energizes the supplicants with sincere emotions rarely kindled during periods of careless eating and drinking. A distinct passion envelops the congregation that fasts to please God.
The spiritual benefit of fasting came from prayer and from hearing the word of God, thus the fast day was devoted to communal prayer and service attendance. The resulting mass interaction of godly clergy and laity, focused and intensified by a common emergency and a state of repentance, made the fast... "a special engine of Puritan religion."And exorcism was high octane for this engine, increasing its power and magnifying its benefits [Peter Lake, Michael C. Questier, Conformity and Orthodoxy in the English Church, C. 1560-1660 , p. 40].
Thus, fasting is a liturgical complement to communal prayer. If prayer is the vehicle that brings a congregation into contact with the Creator, then fasting is the protocol that allows them to approach the holy precincts.
Let them, therefore, with fasting and with prayer make their adjurations, and not with the elegant and well-arranged and fitly-ordered words of learning, but as men who have received the gift of healing from God, confidently, to the glory of God. By your fastings and prayers and perpetual watching, together with your other good works, mortify the works of the flesh by the power of the Holy Spirit [Pope Clement I, Two Epistles on Virginity, Ch. XII].
Our political leaders must look into the heart of their constituents, as would a physician examining the nature of an illness. Instead of pollsters and pundits, they must listen to the cries of anguish emanating from souls longing for healing.
They should imitate wise rulers who, in the past, turned to God for relief when their society faced imminent and pervasive threats. The fasting of Nineveh in response to Jonas’ preaching and of Nehemiah upon reflecting on Jerusalem’s ruins are but two examples depicting reliance on God for comfort and respite.
Now on the twenty-fourth day of this month the children of Israel were assembled with fasting, in sackcloth, and with dust on their heads. Then those of Israelite lineage separated themselves from all foreigners; and they stood and confessed their sins and the iniquities of their fathers[Nehemiah 9:1].
In the United States, President John Adams declared March 6, 1799, a National Day of Humiliation, Fasting and Prayer to the Most High God. Abraham Lincoln did likewise on August 12, 1861.
Therefore, I, Abraham Lincoln, President of the United States, do appoint the last Thursday in September next, as a day of humiliation, prayer and fasting for all the people of the nation. And I do earnestly recommend to all the People, and especially to all ministers and teachers of religion of all denominations, and to all heads of families, to observe and keep that day according to their several creeds and modes of worship, in all humility and with all religious solemnity, to the end that the united prayer of the nation may ascend to the Throne of Grace and bring down plentiful blessings upon our Country [Proclamation of a Day of Fasting].
George Washington issued the first Presidential Thanksgiving Proclamation in 1789, which would eventually become our November national holiday. As with Christmas, the sanctity of our holy days has all but withered and our commemorations have deteriorated into frolicking indulgence.
. . . And fasting is far better for you, if ye only knew. [Qur’an 2:184].