Neither Vasari nor Condivi speaks about them, although it is certain that Michelangelo was held bound to his contract during several years.

Upon the death of Pius III., he renewed it with the Pope's heirs, Jacopo and Andrea Piccolomini, by a deed dated September 15, 1504; and in 1537 Anton Maria Piccolomini, to whom the inheritance succeeded, considered himself Michelangelo's creditor for the sum of a hundred crowns, which had been paid beforehand for work not finished by the sculptor.
A far more important commission was intrusted to Michelangelo in August of the same year, 1501.

Condivi, after mentioning his return to Florence, tells the history of the colossal David in these words: "Here he stayed some time, and made the statue which stands in front of the great door of the Palace of the Signory, and is called the Giant by all people.

It came about in this way.

The Board of Works at S.Maria del Fiore owned a piece of marble nine cubits in height, which had been brought from Carrara some hundred years before by a sculptor insufficiently acquainted with his art.