Genesis 11:6-8

Young's Literal Translation

⁶ and Jehovah saith, `Lo, the people [is] one, and one pronunciation [is] to them all, and this it hath dreamed of doing; and now, nothing is restrained from them of that which they have purposed to do.

⁷ Give help, let us go down, and mingle there their pronunciation, so that a man doth not understand the pronunciation of his companion.'

⁸ And Jehovah doth scatter them from thence over the face of all the earth, and they cease to build the city;