<p>Zanooda:</p><p style="color:rgb(0, 0, 0);font-size:13px;font-family:arial, helvetica, clean, sans-serif;background-color:transparent;font-style:normal;"> <span class="Apple-style-span" style="color:rgb(63, 63, 63);font-family:'Helvetica Neue', Helvetica, Arial, san-serif, Roboto;line-height:16px;">JKR stated in one of her post-DH interviews that Quirrell used to teach Muggle Studies at Hogwarts before becoming the DADA professor: </span></p><span class="Apple-style-span" style="color:rgb(63, 63, 63);font-family:'Helvetica Neue', Helvetica, Arial, san-serif, Roboto;line-height:16px;"><p style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;"> "<span class="ygrps-yiv-216605090Answer">He was teaching at Hogwarts for more than a year, but NOT in the post of D.A.D.A. teacher. He was previously Muggle Studies professor." <br></span></p><p style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;color:rgb(0, 0, 0);font-size:13px;font-family:arial, helvetica, clean, sans-serif;background-color:transparent;font-style:normal;"><span class="ygrps-yiv-216605090Answer">JKR said it during the Bloomsbury Live Chat on July 30, 2007: http://www.accio-quote.org/articles/2007/0730-bloomsbury-chat.html<br></span></p><div class="ygrps-yiv-216605090ygroups-quoted" style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;"><br>Liz:<br><div id="ygrps-yiv-216605090ygrps-yiv-27640321" style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;">Also, to state that Hagrid said Quirrell was scared of the students, which <br>implies he had been teaching AFTER he came back.<br><br>Pippin:</div><div id="ygrps-yiv-216605090ygrps-yiv-27640321" style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;">So, maybe the subject Hagrid had in mind was not DADA but Muggle Studies, and that was Quirrell's excuse for changing subjects.  Of course Quirrell wasn't really afraid of either, so it must have been a ruse. But what purpose did it serve? Perhaps Quirrell simply thought to flatter his new master, or maybe it was Voldemort's idea, hoping that the DADA teacher would learn some secrets of the castle's defenses. </div><div id="ygrps-yiv-216605090ygrps-yiv-27640321" style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;"><br></div><div id="ygrps-yiv-216605090ygrps-yiv-27640321" style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;">It can't have been specifically aimed at making it easier to steal the stone, since at the time it was still at Gringotts. </div><div id="ygrps-yiv-216605090ygrps-yiv-27640321" style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;"><br></div><div id="ygrps-yiv-216605090ygrps-yiv-27640321" style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;">Pippin</div></div></span> <div class="ygroups-quoted" style="display:block;"><br><br></div>