(Gemara) Let us see: when do the priests enter to eat the Terumah? Is it not when the stars appear? Let then the Mishnah (the earliest code of rabbinic law) say: "From the time the stars appear!" In using this expression, he lets us hear something by the way; namely, that with the appearing of the stars, the priests are allowed to eat their Terumah, because the forgiveness-offering [which will be brought on the morrow] is not a hindrance, as we have been taught: "And when the sun hath set, he shall be clean" (Lev. 22:7.) i.e., the waiting for the setting of the sun prevents him from eating the Terumah, but not his forgiveness-offering.