Genesis 11:6

6 The LORD said, “If as one people speaking the same language they have begun to do this, then nothing they plan to do will be impossible for them.

Read Genesis 11:6 Using Other Translations

And the LORD said, Behold, the people is one, and they have all one language; and this they begin to do: and now nothing will be restrained from them, which they have imagined to do.
And the LORD said, "Behold, they are one people, and they have all one language, and this is only the beginning of what they will do. And nothing that they propose to do will now be impossible for them.
“Look!” he said. “The people are united, and they all speak the same language. After this, nothing they set out to do will be impossible for them!

What does Genesis 11:6 mean?

John Gill's Exposition of the Bible
Genesis 11:6

And the Lord said
Not to the angels, as Aben Ezra, but rather to the Son and Spirit, or within himself:

behold, the people is one, and they have all one language;
which some think is spoken ironically; but I see no reason why it may not be understood seriously, that the people who were concerned in this building were unanimous, not only in their religious principles, such as they were, as Aben Ezra, but in their counsel, purpose, and design in building; they went on with great concord, harmony, and vigour, and being of one language, they understood one another, and so could carry on their work with the greater expedition:

and this they begin to do;
to build the city and the tower, and had made considerable progress in it:

and now nothing will be restrained from them, which they have
imagined to do;
they had prepared bricks, and slime or bitumen, a sufficient quantity for their use, or could easily come at more if they wanted; and they were not to be prevailed upon to desist from their work, by any advice that the sons of God could give them; they were obstinate and self-willed, and not to be argued with and persuaded to leave off; and there was no power on earth superior to them, to oblige them to it; they could only be restrained from their enterprise, and hindered from executing it, by divine power; and which was judged necessary to exert, as appears by what follows: and the words may be rendered, "shall they not be restrained? &c." they shall.

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