"Therefore, I command you, saying": I give you goodly counsel, for your benefit: "Open shall you open your hand...give shall you give."
"to your brother, your poor one, and your pauper in your land.": Why are all of these mentioned? Scripture apprises us: One whom it befits to give a loaf, give a loaf; one whom it befits to give dough, give dough; one whom it befits to give money, give money; one whom it befits to be fed, feed him.
(Ibid. 12) "If there be sold, to you, etc.": Whence is it derived that if you buy (a servant), you should buy only a Hebrew servant? From (Shemoth 21:2) "When you buy a Hebrew man-servant." Whence is it derived that if he sells himself, he should sell himself only to you? From (Vayikra 25:39) "And if your brother grows poor with you and he is sold to you…" Whence is it derived that if beth-din sells him, he is sold only to you? From (Ibid. 12) "If there be sold to you (by beth-din, for his theft) your brother …"