And Hashem said: “Behold, they are one people and they all have one language, and this is what they have begun to do; and now nothing that they scheme to do will be withheld from them.”
English: “Nothing will be withheld from them” — because they are one people with one language, there is nothing that can restrain their hand.
In context: Unity of language and purpose, when directed toward rebellion, multiplies destructive capacity; the confusion of languages is the response that fractures that capacity.
Type of Learning
Custom (danger of unified evil intent).
What Is Learned
Shared language and shared purpose make even wicked schemes effective; the dispersion prevents the completion of the project.