Commentary for Kiddushin 163:1
הכל לשם שמים:
All [is to be done] for the sake of Heaven.<span class="x" onmousemove="('comment',' To show my affection for my daughter's little girl.');"><sup>1</sup></span> <big><b>MISHNAH: </b></big>AN UNMARRIED MAN MUST NOT BE AN ELEMENTARY TEACHER,<span class="x" onmousemove="('comment',' [The text is difficult. Rashi takes it as an elliptical phrase 'An unmarried man shall not train himself to be a teacher of children; Krauss, T.A. p. 217, suggests: An unmarried man shall not teach as assistant to the Bible teacher; v. also Low, L. Gesammelte Schriften III. p. 17, n. 1.]');"><sup>2</sup></span> NOR MAY A WOMAN BE AN ELEMENTARY TEACHER'R'ELEAZAR SAID: ONE ALSO WHO HAS NO WIFE MUST NOT BE AN ELEMENTARY TEACHER.<span class="x" onmousemove="('comment',' This is discussed in the GEMARA:');"><sup>3</sup></span> R'JUDAH SAID: AN UNMARRIED MAN MUST NOT TEND CATTLE, NOR MAY TWO UNMARRIED MEN SLEEP TOGETHER UNDER THE SAME COVER,<span class="x" onmousemove="('comment',' Lit., 'cloak'.');"><sup>4</sup></span>