Deuteronomy 21:14

21:14 It shall be, if you have no delight in her, then you shall let her go where she will; but you shall not sell her at all for money, you shall not deal with her as a slave, because you have humbled her.
-World English Bible

Other Translation

21:14 And it shall be, if thou have no delight in her, then thou shalt let her go whither she will; but thou shalt not sell her at all for money, thou shalt not make merchandise of her, because thou hast humbled her.
-King James Version