"We ratify the law, but we condemn your interpretation, for He of whom ye say that He will come—our Lord Jesus Christ—…"

"I, Pope Calixtus, vow to Almighty God and the Holy Trinity that by war, maledictions, interdicts, excommunications, a…"

"I, Pope Calixtus III, promise and vow to the Holy Trinity, Father, Son, and Holy Ghost, to the Ever-Virgin Mother of …"

"Nothing will induce me to leave Rome, not even if, like so many others, I am to fall a victim to the plague. Mahomet,…"

"The Christian who does not now render assistance in following up the victory God has granted proves himself unworthy …"

"Woe, woe to those, whoever they may be, who hinder the cause of the crusade!"

"I have been chosen for the destruction of the enemies of the Faith."

"Beloved son! continue to defend the Catholic Faith; God, for whom you fight, will not abandon His cause. He will, I a…"

"Only cowards fear danger; the palm of glory grows nowhere but on the battle-field."

"The Pope speaks and thinks of nothing but the crusade."