If you make a sale ¹  to your fellow citizen ²  or buy ³  from your fellow citizen, no one is to wrong his brother. ⁴ 

I said to them, “To the extent possible we have bought back our fellow Jews ¹  who had been sold to the Gentiles. But now you yourselves want to sell your own countrymen, ²  so that we can then buy them back!” They were utterly silent, and could find nothing to say.