Know that the prescribed fasting is obligatory and recommended, and the obligatory of three types of it is what is obligatory due to God Almighty requiring it to begin with, which is fasting the month of Ramadan in which the Qur’an was revealed, that is, in fasting it or a number of other days in the right of the traveler, whether he breaks his fast or does not break his fast with us and with others. If he breaks his fast, the sick person is entitled to, and some of it is obligatory for a necessary reason, which is expiatory fasting, and some of it is obligatory from God due to what a person has made obligatory for himself, and it is not disliked, which is votive fasting, for by it he is extracted from being miserly, and what is then obligatory other than what we mentioned.