However, it is absolutely necessary that he who keeps outward fasts also fasts spiritually, that is, he who fasts and prays outwardly must at the same time avoid all sin and unrighteousness and be charitable and diligent in every good work.
"Love God and neighbor. Be patient toward others' deficiencies, for you have your own. Pray morning and night without fail, don't be lazy. Hope in aid from God, don't boast, and above all avoid pride, for this is the mother of all vice."
by St Ignatius (Brianchininov). "The habit of vigilance over the self protects one from an absent way of life, especially in the midst of loud worldly pleasures that surround one from every side. The attentive man remains alone within himself even in the midst of a crowd. "