כ שאני התם דקאמר ליה (יהושע ה, יד) אני שר צבא ה' עתה באתי וגו' ודילמא משקרי גמירי דלא מפקי שם שמים לבטלה
20 What then do the words, Getthee up,<span class="x" onmousemove="('comment',' V. p. 288, n. 16. ');"><sup>53</sup></span> teach us? — The Lord saidto him, Thou hast brought [guilt] uponthem:<span class="x" onmousemove="('comment',' By forbidding them the spoil of Jericho. ');"><sup>54</sup></span> and for that reason He saidto him with reference to Ai: And thou shalt do to Ai and her king as thoudidst to Jericho and her king, [only the spoil thereof and the cattle thereofshall ye take for a prey.]<a rel="footnote" href="#56a_55"><sup>55</sup></a> And it came to pass when Joshua was by Jericho that he lifted up his eyesand looked … And he said, Nay, but I am captain of the host of the Lord,I am now come. And Joshua fell on his face to the earth and boweddown.<span class="x" onmousemove="('comment',' Josh. V, 13-14. The fact that, as his question implies, he could not distinguish who the other was, shows that it was night time. ');"><sup>56</sup></span> But how could he doso?<span class="x" onmousemove="('comment',' I.e., bow to an unknown man. ');"><sup>57</sup></span> Did not R. Johanan say: Onemay not greet his fellow at night for fear that he may be ademon?<span class="x" onmousemove="('comment',' The customary greeting of Shalom (peace) is held in equal esteem with the name of God (v. Shab. 10b), and therefore may not be extended to a demon; whilst bowing to a demon is most certainly forbidden. ');"><sup>58</sup></span> There it was different, forhe said; I am captain of the host of the Lord, I am now come, etc. But perhapshe lied? — We have a tradition that such do not utter the name of God invain.