Ezra 9:12-13

now therefore give not your daughters unto their sons, neither take their daughters unto your sons, nor seek their peace or their prosperity for ever; that ye may be strong, and eat the good of the land, and leave it for an inheritance to your children for ever. And after all that is come upon us for our evil deeds, and for our great guilt, seeing that thou our God hast punished us less than our iniquities deserve, and hast given us such a remnant