Ash Thursday – 19 February – Our Lenten Journey With St Thomas Aquinas (1225-1274), Doctor of the Church
Thursday : Fasting
- We fast for three reasons.
(i) To check the desires of the flesh. So St Paul says in fastings, in chastity (2 Cor vi. 5), meaning that fasting is a safeguard for chastity. As St Jerome says, “Without Ceres and Bacchus, Venus would freeze,” as much as to say, lust loses its heat through spareness of food and drink.
(ii) That the mind may more freely raise itself to contemplation of the heights. We read in the book of Daniel that it was after a fast of three weeks that he received the revelation from God (Dan x. 2-4).
(iii) To make satisfaction for sin. This is the reason given by the Prophet Joel, Be converted to me with all your heart, in fasting and in weeping and in mourning (Joel ii. 12). And here is what St Augustine writes on the matter. “Fasting purifies the soul. It lifts up the mind and it brings the body into subjection to the spirit. It makes the heart contrite and humble, scatters the clouds of desire, puts out the flames of lust and shines the true light of chastity.”
- There is a commandment laid on us to fast. For fasting helps to destroy sin and to raise the mind to thoughts of the spiritual world. Each man is then bound, by the natural law of the matter, to fast just as much as is necessary to help him in these matters. Which is to say, fasting in general is a matter of natural law. To determine, however, when we shall fast and how, according to what suits and is of use to the Catholic body, is a matter of positive law. To state the positive law is the business of the Bishops and what is thus stated by them is called Ecclesiastical fasting, in contradistinction with the natural fasting previously mentioned.
ST THOMAS AQUINAS (1225-1274)
Priest, Theologian, Dominican
Doctor Angelicus (Angelic Doctor)
Doctor Communis (Common Doctor)
Added by Pope Saint Pius V in 1568
AnaStpaul 
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