על החוקים לפרטיהם, ספר ב ל״וOn the Special Laws, Book II 36

א׳
1[220] This canticle is used continually by a succession of worshippers from early summer to late autumn, through the two seasons which constitute a complete half of the year. For the whole population cannot in a body bring the fruits of the season at a fixed time, but must do so at different times, and this may even be the case with the same persons coming from the same places. 
ב׳
2[221] For since some of the fruits ripen more quickly than others, both because of the difference of the situation which may be warmer or colder, and for a multitude of other reasons, naturally the time when this sample of the fruits is due cannot be exactly defined or limited, but extends over a very considerable period.
ג׳
3[222] These offerings are assigned for the use of the priests, because they have no territory allotted to them, nor property which brings them income, and their heritage consists of the offerings of the nation in return for the religious duties imposed upon them by night and day.