In the Name of Jesus Christ crucified and of sweet Mary:
Most holy and sweet father, your poor unworthy daughter Catherine in Christ sweet Jesus, commends herself to you in His precious Blood: with desire to see you a manly man, free from any fear or fleshly love toward yourself, or toward any creature related to you in the flesh; since I perceive in the sweet Presence of God that nothing so hinders your holy, good desire and so serves to hinder the honour of God and the exaltation and reform of Holy Church, as this. Therefore, my soul desires with immeasurable love that God by His infinite mercy may take from you all passion and lukewarmness of heart, and re-form you another man, by forming in you anew a burning and ardent desire; for in no other way could you fulfil the will of God and the desire of His servants. Alas, alas, sweetest "Babbo" mine, pardon my presumption in what I have said to you and am saying; I am constrained by the Sweet Primal Truth to say it. His will, father, is this, and thus demands of you. It demands that you execute justice on the abundance of many iniquities committed by those who are fed and pastured in the garden of Holy Church; declaring that brutes should not be fed with the food of men. Since He has given you authority and you have assumed it, you should use your virtue and power: and if you are not willing to use it, it would be better for you to resign what you have assumed; more honour to God and health to your soul would it be.
Another demand that His will makes is this: He wills that you make peace with all Tuscany, with which you are at strife; securing from all your wicked sons who have rebelled against you whatever is possible to secure without war--but punishing them as a father ought to punish a son who has wronged him. Moreover, the sweet goodness of God demands from you that you give full authority to those who ask you to make ready for the Holy Crusade--that thing which appears impossible to you, and possible to the sweet goodness of God, who has ordained it, and wills that so it be. Beware, as you hold your life dear, that you commit no negligence in this, nor treat as jests the works of the Holy Spirit, which are demanded from you because you can do them. If you want justice, you can execute it. You can have peace, withdrawing from the perverse pomps and delights of the world, preserving only the honour of God and the due of Holy Church. Authority also you have to give peace to those who ask you for it. Then, since you are not poor but rich--you who bear in your hand the keys of Heaven, to whom you open it is open, and to whom you shut it is shut--if you do not do this, you would be rebuked by God. I, if I were in your place, should fear lest divine judgment come upon me. Therefore I beg you most gently on behalf of Christ crucified to be obedient to the will of God, for I know that you want and desire no other thing than to do His will, that this sharp rebuke fall not upon you: "Cursed be thou, for the time and the strength entrusted to thee thou hast not used." I believe, father, by the goodness of God, and also taking hope from your holiness, that you will so act that this will not fall upon you.
I say no more. Pardon me, pardon me; for the great love which I bear to your salvation, and my great grief when I see the contrary, makes me speak so. Willingly would I have said it to your own person, fully to unburden my conscience. When it shall please your Holiness that I come to you, I will come willingly. So do that I may not appeal to Christ crucified from you; for to no other can I appeal, for there is no greater on earth. Remain in the holy and sweet grace of God. I ask you humbly for your benediction. Sweet Jesus, Jesus Love
St. Catherine of Siena