Musar for Yevamot 156:14
מאי טעמא גזר עלייהו דכתיב (שמואל ב כא, א) ויהי רעב בימי דוד שלש שנים שנה אחר שנה שנה ראשונה אמר להם שמא עובדי עבודת כוכבים יש בכם דכתיב (דברים יא, טז) ועבדתם אלהים אחרים והשתחויתם להם ועצר את השמים ולא יהיה מטר וגו' בדקו ולא מצאו
is in agreement with him who maintains<span class="x" onmousemove="('comment',' V. Hul. 120b. ');"><sup>32</sup></span> that a deduction is restricted by its original basis.<span class="x" onmousemove="('comment',' Lit., 'judge from it and set it in its (original) place', i.e., the rules of the case deduced limit the scope of the deduction. Though the case of the bastard is deduced from that of the Ammonite in respect of forbidding the former, like the latter, for all time, the exclusion of the females, though applicable to the latter, does not apply to the former, and female bastards (cf. supra p. 532, n. 15) remain, therefore, forbidden for all time. ');"><sup>35</sup></span> R. Eliezer was asked: What [is the legal position<span class="x" onmousemove="('comment',' As regards entry into the congregation. ');"><sup>36</sup></span>