Acts 7:6 God spoke in this way: that his seed would live as aliens in a strange land, and that they would be enslaved and mistreated for four hundred years. (Root in WEB DBY NAS RSV NIV)
Jeremiah 17:4 You, even of yourself, shall discontinue from your heritage that I gave you; and I will cause you to serve your enemies in the land which you don't know: for you have kindled a fire in my anger which shall burn forever. (See NIV)
Jeremiah 30:8 It shall come to pass in that day, says Yahweh of Armies, that I will break his yoke from off your neck, and will burst your bonds; and strangers shall no more make him their bondservant; (See NIV)
Jeremiah 34:9 that every man should let his male servant, and every man his female servant, who is a Hebrew or a Hebrewess, go free; that none should make bondservants of them, to wit, of a Jew his brother. (See RSV)