expressly declared by Jeremiah (ch. 25:11, 12): “And this whole land shall be a desolation and an astonishment; and these nations shall serve the king of Babylon seventy years. And it shall come to pass, when seventy years are accomplished, that I will punish the king of Babylon, and that nation, saith the Lord, for their iniquity,” &c. So also Jer. 29:10: “For thus saith the Lord, That after seventy years be accomplished at Babylon, I will visit you, and perform my good word toward you, in causing