And the whole earth had one language, and the same words.
References for Genesis 11:1
And it came to pass as they journeyed from the east, that they found a plain in the land of Shinar, and dwelt there.
References for Genesis 11:2
And they said one to another, Come on, let us make bricks, and burn [them] thoroughly. And they had brick for stone, and they had asphalt for mortar.
References for Genesis 11:3
And they said, Come on, let us build ourselves a city and a tower, the top of which [may reach] to the heavens; and let us make ourselves a name, lest we be scattered over the face of the whole earth.
References for Genesis 11:4
And Jehovah came down to see the city and the tower which the children of men built.
And Jehovah said, Behold, the people is one, and have all one language; and this have they begun to do. And now will they be hindered in nothing that they meditate doing.