Leviticus 25:54
And if he shall not be redeemed in these, and he shall go forth in the year of the jubilee, he and his sons with him.
Exodus 21:2-3
If thou shalt buy a Hebrew servant, six years shall he serve: and in the seventh he shall go forth free gratuitously.
Leviticus 25:40-41
As the hireling, as the sojourner, he shall be with thee; till the year of jubilee he shall serve with thee;
Isaiah 49:9
To say to the bound, Go forth; to those in darkness, Uncover yourselves. They shall feed upon the ways, and in all naked hills their pastures.
Isaiah 49:25
For thus said Jehovah, Also the captivity of the strong shall be taken, and the prey of the terrible shall escape: and I will contend with him contending with thee, and thy sons I will save.
Isaiah 52:3
For thus said Jehovah, Ye sold yourselves gratuitously, and ye shall not be redeemed with silver.