In June 1272, a General Chapter of the Order of Preachers met in Florence. Among other things, it decided that a new theological study house, open to the general public (a studium generale) should be established in Italy, under the auspices of the Roman Province. That Province, accordingly, entrusted the project to brother Thomas d'Aquino. The choice of site was left, with, perhaps, a certain disregard for administrative propriety, entirely to him. For various reasons, not least among them the support of the Neapolitan crown, he selected Naples. Development was sufficiently fast for him to begin lecturing there that same September. Forty-six years old (probably), he had somewhat over a year left to live. He was ending his career as he had begun it: entrusted with the formation of young theologians. What better opportunity to finish his great unfinished work, the Summa Theologiae, described in what has been called Thomas' only recorded joke (but the remark was seriously meant) as an introduction to the subject for beginners. Having dealt already with man's sovereign Good, and with the general pattern of his return to God, as suggested by the dynamic structures of human nature, it remained for Thomas to consider how, in the concrete, this return to God might come about. As he wrote in the prologue to the Tertia Pars: