“What shall I say about the belly, the queen of the passions? If you can deaden or half-deaden it, do not relent. It has mastered me, beloved, and I worship it as a slave and vassal, this abettor of the demons and dwelling-place of the passions. Through it we fall and through it –- when it is well-disciplined -– we rise again… always eat too little, never too much. For when the stomach is heavy the intellect is clouded, and you cannot pray resolutely and with purity….

“If you eat too much, repent and try again. Always act like this –- lapsing and recovering again, and always blaming yourself and no one else -– and you will be at peace, wisely converting such lapses into victories, as Scripture says… To eat again after reaching the point of satiety is to open the door of gluttony, through which unchastity comes in.”
–St. Gregory of Sinai, 14th century
“The Life of the famed ascetic Saint Anthony the Great was written by Saint Athanasius of Alexandria. This is the first biography of a saint who was not a martyr, and is considered to be one of the finest of Saint Athanasius’ writings. Saint John Chrysostom recommends that this Life be read by every Christian.”
I can think of no Church Father who spoke more forcefully or critically about the moral failings of his time than St. John Chrysostom. He did not hesitate to call out the Emperor, or problems within the larger Church. Eventually, his words brought about his exile. Banished to the very edge of the empire, he died in isolation. Writing to the Deaconness Olympia, his closest friend and confidant, he expressed the very heart of Orthodoxy in troubled times: