As for infallibility, this was a direct grace of God, given only to the few.
He gave a vigorous support to the promulgation of the dogma of Papal Infallibility in 1870.
The minority, among whom were prominent Ca" "pals Rauscher and Schwarzenberg, Hefele, bishop of Rotterdam (the historian of the councils) Cardinal Mathieu, Mgr Dupanloup, Mgr Maret, &c., &c., did not pretend to deny the papal infallibility; they pleaded the inopportuneness of the definition and brought forward difficulties mainly of an historical order, in particular the famous condemn ion of Pope Honorius by the 6th ecumenical council of Const: ntinople in 680.
This was done for the first time, in 1870, at the Vatican Council, whose decrees, recognizing the universal episcopate and the infallibility of the pope, marked the triumph of that ultramontane doctrine by which they had been long anticipated.
Finally, in the Vatican Council, the Jesuits saw another of their favourite theories - that of papal infallibility - elevated to the status of a dogma of the Church.