Leviticus 25:20-26

²⁰And if ye shall say, What shall we eat the seventh year? behold, we shall not sow, nor gather in our increase;

²¹then I will command my blessing upon you in the sixth year, and it shall bring forth fruit for the three years.

²²And ye shall sow the eighth year, and eat of the fruits, the old store; until the ninth year, until its fruits come in, ye shall eat the old store.

²³And the land shall not be sold in perpetuity; for the land is mine: for ye are strangers and sojourners with me.

²⁴And in all the land of your possession ye shall grant a redemption for the land.

²⁵If thy brother be waxed poor, and sell some of his possession, then shall his kinsman that is next unto him come, and shall redeem that which his brother hath sold.

²⁶And if a man have no one to redeem it, and he be waxed rich and find sufficient to redeem it;