Midrash for Pesachim 189:13
בכלליה דלא ישאירו ממנו עד בקר מאי קא מרבה ליה לא תוציא ממנו (דדמי ליה דהאי מיפסל בנותר והאי מיפסל ביוצא)
Because It is stated, 'and they shall not break a bone thereof': [hence] just as the particularization is explicitly stated as a positive precept, and a negative precept modified to a positive precept, and an absolute negative precept, so every positive precept, and a negative precept modified to a positive precept, and complete negative precept [are included].<span class="x" onmousemove="('comment',' Hence the general proposition, 'according to all the statute etc., is applied separately to each of these three particular laws, teaching that all laws which partake of their nature are included.');"><sup>17</sup></span> What is included in the general proposition as applied to '[they shall eat it] with unleavened bread and bitter herbs'? - Roast with fire.<span class="x" onmousemove="('comment',' V. n . 2.');"><sup>18</sup></span>