Do you fast? Give me proof of it by your works.
If you see a person who is poor, take pity on them.
If you see an enemy, be reconciled to them.
If you see a friend being honored, do not envy them.
Let not only your mouth fast, but also your hands and feet and eyes and ears and all the members of your body.
Let the hands fast by being free of avarice.
Let the feet fast by ceasing to run after sin.
Let the eyes fast by not looking with lust.
Let the ears fast by not listening to malicious talk or false reports.
Let the mouth fast from hateful words and unjust rants.
For what good is it if we abstain from birds and fishes but bite and devour our brothers and sisters?
—John Chrysostom, from Homily 3 on the Statutes, secs. 11–12, written in Greek in 387 CE
* I adapted this excerpt from a public-domain translation by W. R. W. Stephens provided by Kevin Knight at New Advent.
Art & Theology 
That pretty much sums it up.
Thanks for sharing that.
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