John Wesley on Genesis 11:6

And the Lord said, Behold the people is one, and they have all one language - And if they continue one, much of the earth will be left uninhabited, and these children of men, if thus incorporated, will swallow up the little remnant of God's children, therefore it is decreed they must not be one. And now nothing will be restrained from them - And this is a reason why they must be crossed, in their design.