A striking circumstance occurred while on her road to Warsaw, one of those many incidents of the time which has made the history of the French Revolution read like a romance. Having to descend from her carriage at Thorn, her eyes fell on a woman poorly clad in the street, evidently seeking employment; the expression of her face was that of suffering, but of great sanctity. The princess was so struck by it that she went up to her, and said by impulse, "Madam, were you not a religious?" "Yes," she replied, impelled to confidence by the sweet face of her who addressed her. And then Louise learnt that the lady was an exiled member of the French Sisters of Calvary, driven into exile; that her slender means had come to an end; and that very day she had come out to seek work or to beg, neither dismayed nor yet afraid, but putting her full trust in Divine Providence.

Her wants were supplied, and she would have entered the same convent as Madame Louise, but that she hoped to rejoin her own community when they should reassemble. This shortly afterward took place, and the generosity of Madame Louise furnished the means for her journey home, and she lived many years in her convent, leading a holy life, and died there in peace.

At last Madame Louise commenced her third novitiate, and found in her new order all that could perfectly satisfy her heart. She took the habit in September, 1801, and all the royal family of Prussia were present at the ceremony; the Bishop of Warsaw preached the sermon, and bade her glorify her convent for ever, not by the éclat of her name and of her royal birth, but by her religious virtues. The habit which she had taken, added he, and which she had preferred to all the pomps of the world, was but the exterior mark of a consecration and a sacrifice that her heart had long since made. As a novice Madame Louise redoubled her fervor and exactness in religious life, with many anxious hopes and prayers that this time the day of her profession would really come. A sorrow came upon her in the news of the death of her early and loved friend, Clotilde of Sardinia, whose soul passed to God in March, 1802, while her whole people, anticipating only the voice of the church, called her a saint. On the 21st of September, 1802, Louise made her solemn profession. "I pronounced my vows publicly," she said, "but with such feelings that I can truly say my heart pronounced them with a thousand times greater strength than my mouth." She now retook her religious name, which she had chosen twice before, Soeur Marie Joseph de la Miséricorde. The life of an ordinary good religious would have seemed sufficiently difficult for a princess, but Louise would do nothing by halves. She practised the highest virtues of her state, bearing undeserved blame without a word of excuse; she never murmured under labors; she was obedient, gentle, and humble. So anxious was she to prevent her rank being an occasion for raising her to offices of authority that she wrote to the pope these words:

"Most Holy Father:
Louise Adélaide de Bourbon Condé, now Marie Joseph de la Miséricorde, professed religious of the convent of the Perpetual Adoration of the Most Holy Sacrament, order of Saint Benedict, at Warsaw, supplicates your holiness that you deign, for the repose and tranquillity of the soul of the suppliant, to declare her deprived of active and passive voice, and to dispense her from all the principal offices of the community."

The holy father saw fit to grant the request, and sent a brief on the subject to her.

"The efforts that you make to attain Christian perfection in these unhappy days," wrote Pius VII., "have filled us with joy, and make us hope that the Divine Spouse to whom you have made the laudable sacrifice of yourself will not fail to grant you his grace, in order that, by the exact and religious observation of the rules of the institute which you have chosen, you will attain the end that you proposed to yourself in embracing with so much joy this state of life. … We send you the letters of dispensation that you say are necessary for the perfect tranquillity of your mind, desiring nothing more than to remove the obstacles which could destroy your peace; and further, we give you with our whole heart the apostolical benediction, as a proof of our paternal friendship."

And now one of the sharpest sorrows of Louise de Condé's life was at hand. An event which was, even in that age of cruelties, to strike Europe with horror was to fall with bitterest force on the heart of the princess. Religious life does not extinguish the affections of the heart; it but regulates, ennobles, and purifies them; and the Duc d'Enghien was as tenderly loved by the aunt who had not seen him for many years, spent in devotion to God, as when, in the halls of Chantilly, she had watched his childish gambols. The prayer she had offered up in his childhood was continued more fervently, more constantly, as the dangers to his body and soul increased. She followed him in commiseration through the busy scenes in which his lot was cast, and she saw him brave, loyal, and honorable, a good son and a good husband. When Louis XVIII. consulted him, in 1803, in common with the other French princes, as to the answer he should return to the proposal of Bonaparte that he should renounce the throne of France, the duke wrote: "Your majesty knows too well the blood which runs in my veins to have had the least doubt as to the answer which you demand from me. I am a Frenchman, sire; and a Frenchman who is faithful to his God, to his king, and to his vows of honor." We have no space to dwell on the treachery and the cruelty of the capture and death of this young prince, one of the fairest hopes of the house of Bourbon. In vain did he even ask for a priest; but that ungranted request must have carried consolation to the heart of Madame Louise. As we read of his cutting off his hair to send to his "Charlotte," we are forcibly reminded of another prince, who was treacherously slain, sending a last adieu to another unhappy princess of the same name. To the doors of the convent at Warsaw, bearing the news, came the Abbé Edgeworth, whose mission it was to console and help the unfortunate house of Bourbon. He had attended the last moments of Louis XVI.; he had stood by him on the scaffold, undaunted by the crowd, and bade the "son of St. Louis ascend to heaven;" he had been the director of Madame Elizabeth; he had joined the hands of Madame Royale and the Duc d'Angoulême in marriage; and now he came to break the news of the last great sorrow to Madame Louise. The Mère Sainte Rose brought a crucifix to the princess, and her countenance told her the rest. Louise fell on her face on the earth, crying out, "Mercy, my God! have mercy on him!" Then she rose, and, going to the chapel, poured out her soul before Him who alone could comfort her. "Pardon the faults of his youth, O Lord!" she cried, "and remember how cruelly his blood has been shed. Glory and misfortune have attended him through life; but what we call glory—has it any merit in thy eyes? Mercy, my God! mercy!" But her prayers did not end here. From that time forward there rose up before the throne of God a constant cry for mercy for the soul of Napoleon Bonaparte, from the lips of her whose dearest earthly hopes he had destroyed. She never made a retreat afterward without devoting much prayer and penance for the redemption of the enemy of her name and race. Forgiveness of injuries was an especial characteristic of the Bourbon family, and none excelled in it more than Madame Louise.

And now another change awaited the poor princess: thick, indeed, upon her head came trial after trial. Nothing could, indeed, take from her now the happiness of being a professed Benedictine; but that she should remain peaceably in one convent for a long time was hardly to be hoped for at this period. The Lutheran Prussian government began to interfere with the government of the convent, to have a voice in the election of superiors, and, of course, to interfere, at least indirectly, with the rule. Probably the presence of Madame Louise made them take more notice of that convent than they would otherwise have done. Before quitting it, however, as this was a serious step to be taken voluntarily by a religious who has made a vow of enclosure, she wrote for counsel to the three French bishops of Léon, Vannes, and Nantes, who were then all living in London. Their united opinion was, that "the reasons were well grounded and very solid, and that the repose of her conscience and her advancement in the perfection of her state, exact this change." Having received permission from the bishop of the diocese, and the full consent of her prioress, who bitterly mourned over the thraldom in which the community were held, Louise de Condé once more went out into exile, and this time directed her steps toward England. She landed at Gravesend, and was, we suppose, the first nun since the Reformation who was received with public honors by the British authorities. In London she met her father and brother, whom she had not seen since the year 1795, and who had since that time endured so much, and who were still suffering so acutely under their recent sorrow in the execution of the Duc d'Enghien. There must have been a strangely mingled feeling of pain and pleasure in this sad meeting. After remaining a few days in London, her father and brother escorted her to a Benedictine convent at Rodney Hall, Norfolk, where a refuge had been offered to her. This community followed the mitigated rule of St. Benedict, but Louise was allowed to observe the fasts and other points to which she had bound herself by her profession of the rule in its strict observance.