<P> Based on Jesus' doctrine of the sheep and the goats, the corporal and spiritual works of mercy are a means of grace as good deeds and their omission is a reason for damnation . Because the Messianic Age will be a time of mercy, and because the church believes this age began at Jesus' coming and believes Jesus obeyed every mitzvah and fulfilled the Scriptures, Catholics perform the works of mercy . </P> <P> In particular cases, a given individual will not be obligated or even competent to perform four of the spiritual works of mercy, namely: instructing the ignorant, counseling the doubtful, admonishing sinners, and comforting the afflicted . These works may require a definitely superior level of authority or knowledge or an extraordinary amount of tact . The other works of mercy, however, are considered to be an obligation of all faithful to practise unconditionally . In an address on the 2016 World Day of Prayer for Creation, Pope Francis suggested "care for creation" as a new work of mercy, describing it as a "complement" to the existing works . Francis characterized this new work as having both corporal and spiritual components . Corporally, it involves "daily gestures which break with the logic of violence, exploitation and selfishness". Spiritually, it involves contemplating each part of creation to find what God is teaching us through them . This pronouncement extensively quoted the encyclical Laudato si', and Cardinal Peter Turkson, who helped write the encyclical, clarified that the addition of this work of mercy was part of Francis' intention for Laudato si' . </P> <P> Corporal works of mercy are those that tend to the bodily needs of other creatures . They come from Isaiah 58 and the mitzvah of hospitality . The seventh work of mercy comes from the Book of Tobit and from the mitzvah of burial, although it was not added to the list until the Middle Ages . </P> <P> The works include: </P>

Where do the corporal works of mercy come from