Репост из: Heathens Begone
In regards to the many questions about Fasting and if there are writings on the subject, I thought it fitting to post several different authors who write about Fasting with the Catholic Perspective:
http://www.newadvent.org/fathers/0408.htm (Tertullian)
http://www.newadvent.org/fathers/360342.htm (Leo the Great)
http://www.newadvent.org/fathers/360319.htm (Leo the Great)
http://www.newadvent.org/fathers/1102036.htm (Augustine)
http://www.newadvent.org/summa/3147.htm (Thomas Aquinas)
http://www.newadvent.org/fathers/0408.htm (Tertullian)
http://www.newadvent.org/fathers/360342.htm (Leo the Great)
http://www.newadvent.org/fathers/360319.htm (Leo the Great)
http://www.newadvent.org/fathers/1102036.htm (Augustine)
http://www.newadvent.org/summa/3147.htm (Thomas Aquinas)