Augustine of Hippo
He speaks of those who trouble and persecute him, and he does not wish this out of anger, my brothers. For the one who has proudly lifted himself should indeed face the depths. To those who have spoken wickedly, it is beneficial for their words to be scattered; let them unite in goodness, and let their speech harmonize. If they have conspired against me with a single intent, he assures us that all my adversaries will lose their singular evil purpose, their speech will become discordant, and they will not be united in their intentions. O Lord, bring them down and scatter their tongues. Why is drowning mentioned? Because they have lifted themselves up. Why the scattering? Because they have conspired for an evil cause.
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Reflect on the tower erected by the proud after the flood: what did they declare? "Let us build a high tower lest we be scattered" (Gen. 11:4). In their arrogance, they believed they were securing themselves; they erected a tall tower, and the Lord confounded their speech, leading them to misunderstand one another. Thus began the emergence of diverse languages. Initially, there was but one tongue; one language was beneficial for those of goodwill, and one language suited for the humble was also good; yet He scattered their tongues to prevent a destructive unity among them. It was through the prideful that languages were divided; conversely, through the humble Apostles, they were brought together. The spirit of arrogance dispersed the tongues, whereas the Spirit of holiness united them. When the Holy Spirit descended upon the disciples, they spoke in diverse tongues, as noted in Acts 2:4, and everyone understood them: separated tongues were thus unified. Therefore, if they continue to rage and remain among the Gentiles, it is fitting for their speech to be separated. They shall be united in one tongue; let them enter the Church, for amid the multitude of human languages, there exists one that embodies the faith of the heart.