Leviticus 25:54
But if he be not redeemed in any of these ways, then shall he go out in the jubilee year, he, and his sons with him.
Exodus 21:2-3
When thou shalt acquire a servant who is a Hebrew, six years, shall he serve, - but in the seventh shall he go out freely - for nought.
Leviticus 25:40-41
as a hired servant, as a settler, shall he remain with thee, - until the year of the jubilee, shall he serve with thee:
Isaiah 49:9
Saying To them who are hound Go forth, To them who are in darkness, Shew yourselves, - By the roads, shall they graze, And on all bare places, shall be their pasture:
Isaiah 49:25
Surely, thus, saith Yahweh - Even the captive of the mighty one, shall be taken away, And the prey of the tyrant, be delivered; And thine opposers, I, will oppose, And thy children, I, will save;
Isaiah 52:3
For, thus, saith Yahweh, For nought, ye sold yourselves, - And not with silver, shall ye be redeemed,