29 Presently, when the laws themselves arrived in Africa, in the first place those who were already seeking an opportunity for doing so, or were afraid of the raging madness of the Donatists, or were previously deterred by a feeling of unwillingness to offend their friends, at once came over to the Church. Many, too, who were only restrained by the force of custom handed down in their homes from their parents, but had never before considered what was the groundwork of the heresy itself—had never, indeed, wished to investigate and contemplate its nature,— beginning now to use their observation, and finding nothing in it that could compensate for such serious loss as they were called upon to suffer, became Catholics without any difficulty; for, having been made careless by security, they were now instructed by anxiety. But when all these had set the example, it was followed by many who were less qualified of themselves to understand what was the difference between the error of the Donatists and Catholic truth.
30. Accordingly, when the great masses of the people had been received by the true mother with rejoicing into her bosom, there remained outside cruel crowds, persevering with unhappy animosity in that madness. Even of these the greater number communicated in feigned reconciliation, and others escaped notice from the scantiness of their numbers. But those who feigned conformity, becoming by degrees accustomed to our communion, and hearing the preaching of the truth, especially after the conference and disputation which took place between us and their bishops at Carthage, were to a great extent brought to a right belief. Yet in certain places, where a more obstinate and implacable body prevailed, whom the smaller number that entertained better views about communion with us could not resist, or where the masses were under the influence of a few more powerful leaders, whom they followed in a wrong direction, our difficulties continued somewhat longer. Of these places there are a few in which trouble still exists, in the course of which the Catholics, and especially the bishops and clergy, have suffered many terrible hardships, which it would take too long to go through in detail, seeing that some of them had their eyes put out, and one bishop his hands and tongue cut off, while some were actually murdered. I say nothing of massacres of the most cruel description, and robberies of houses, committed in nocturnal burglaries, with the burning not only of private houses, but even of churches,— some being found abandoned enough to cast the sacred books into the flames.
31. But we were consoled for the suffering inflicted on us by these evils, by the fruit which resulted from them. For wherever such deeds were committed by unbelievers, there Christian unity has advanced with greater fervency and perfection, and the Lord is praised with greater earnestness for having deigned to grant that His servants might win their brethren by their sufferings, and might gather together into the peace of eternal salvation through His blood His sheep who were dispersed abroad in deadly error. The Lord is powerful and full of compassion, to whom we daily pray that He will give repentance to the rest as well, that they may recover themselves out of the snare of the devil, by whom they are taken captive at his will, though now they only seek materials for calumniating us, and returning to us evil for good; because they have not the knowledge to make them understand what feelings and love we continue to have towards them, and how we are anxious, in accordance with the injunction of the Lord, given to His pastors by the mouth of the prophet Ezekiel, to bring again that which was driven away, and to seek that which was lost.
Source: Letters (New Advent)