It appears then that such illegal and unwise oaths should not be kept. The case of the oath sworn to Gibeon does not apply, for that oath could be kept without working injury to the people of Israel, while the observance of these oaths will not only injure one race, but will cause great loss and damage to the church and the whole Christian people. Nor can it be said that these oaths are legal if interpreted according to the intention of the princes who swore them. They meant that if they elected him emperor, he was not to rule immediately, but later when he came of age. But how then could they judge of his fitness to rule? Might he not turn out to be so foolish and simple as to be utterly unworthy even less honor? Suppose that they meant he should rule only when he was fitted to, and that in the meantime his father should govern the state. But later an event occurred which the princes had not thought of, and which made it neither right nor possible for the princes to keep their oaths; that is, the sudden death of the father. Now since the empire cannot be governed by a deputy, and an emperor cannot be elected for a temporary term, and since the church neither wishes nor is able to do without an emperor, it is lawful to elect some one else. It is not fitting that he should rule. For how can he rule who is himself under the rule of others? How can he protect the Christian people who is himself under the tutelage of others? It is no sufficient answer to this to say that it was to our guardianship that he was intrusted, because this was done not that we might give him the empire, but that we might hold the kingdom of Sicily for him. The Scripture says: "Woe to thee, oh land, when thy king is a child, and thy princes eat in the morning" [Eccles. 10:16]. It is not expedient that he should become emperor, because thereby the kingdom of Sicily would be united with the empire to the danger of the church; for, to say nothing of other dangers, he would, like his father before him, be unwilling to prejudice the dignity of the empire by taking the oaths of fidelity and homage to the pope for the kingdom of Sicily. And it is no answer to this to say that he would later oppose the church if we deprived him of the empire, for it is not we who are depriving him of his empire, but his uncle [Philip] who has attempted to seize not only the empire, but his maternal possessions as well, while we have been defending them for him at great expense and with great labor.