“The mind, concerned with the goods of the present, can rejoice in the temperate weather and the fertile fields. When the fruits are gathered into great barns, it can say to its soul, “You have many good things; eat.” It may receive a kind of rebuke from the divine voice and may hear it saying, “Fool, this very night they demand your soul from you. The things you have prepared, whose will they be?
This should be a careful consideration of wise people, that since the days of this life are short and the time uncertain, death should never be unexpected for those who are to die. Those who know that they are mortal should not come to an unprepared end.”
Leo the Great (c. 400-461) in Sermon 90.4.1.