Sistine Chapel ceiling ceiling include the four so-called Major prophets: Isaiah, Jeremiah, Ezekiel and Daniel. Of the remaining possibilities among the Twelve Minor Prophets, the three represented are Joel, Zechariah and Jonah. Although the prophets Joel and Zechariah are considered "minor" because of the comparatively small number of pages that their prophecy occupies in the Bible, each one produced prophesies of profound significance. They are often quoted, Joel for his "Your sons and your daughters shall prophesy, your elderly shall dream dreams and your youth shall see visions". These words are significant for Michelangelo's decorative scheme, where women take their place among men
Sistine Chapel congregations. These included the Christmas Day and Easter masses, at which the Pope himself was the celebrant. The other 27 masses could be held in a smaller, less public space, for which the "Cappella Maggiore" was used before it was rebuilt on the same site as the Sistine Chapel. The "Cappella Maggiore" derived its name, the Greater Chapel, from the fact that there was another chapel also in use by the Pope and his retinue for daily worship. At the time of Pope Sixtus IV, this was the Chapel of Pope Nicholas V, which had been decorated by Fra Angelico.