Commentary for Bava Kamma 52:8
נתכוין לזרוק ארבע וזרק שמנה לענין נזקין חייב לענין ד' דברים פטור לענין שבת באומר כל מקום שתרצה תנוח אין אי לא לא לענין גלות אשר לא צדה פרט לנתכוין לזרוק ארבע וזרק שמנה לענין עבד פלוגתא דרשב"ג ורבנן
And if a man lie not in wait,<span class="x" onmousemove="('comment',' Ex. XXI, 13. ');"><sup>24</sup></span> is stated by Divine law, excluding a case where there was mention to throw a stone to a distance of two cubits but which fell at a distance of four.<span class="x" onmousemove="('comment',' [According to one interpretation of Rashi, this is a case for exile; according to another, a case which is excluded from enjoying the protection of the city of refuge: v. Mak. 7b.] ');"><sup>25</sup></span> Regarding [the release of] a slave, the difference of opinion between R. Simeon b. Gamaliel and the Rabbis<span class="x" onmousemove="('comment',' Supra p. 137. ');"><sup>20</sup></span> still applies. Where the intention was to throw the stone to a distance of four<span class="x" onmousemove="('comment',' For the minimum of distance to constitute the violation of Sabbath by throwing an object in a public thoroughfare is four cubits; v. Shab. 96b. ');"><sup>21</sup></span>