Whoever does not voluntarily. . .
Whoever does not voluntarily withdraw himself from the causes of the passions is involuntarily drawn away by sin. These are the causes of sin: wine, women, riches, and robust health of body. Not that by their nature these things are sins, but that nature readily inclines towards the sinful passions on their account., and for this reason man must guard himself against them with great care.”
+ St. Isaac of Nineveh, The Ascetical Homilies of St. Isaac the Syrian, Homily 5, “On Keeping Oneself Remote From the World and From All Things that Disquiet the Intellect
