Reference for Eruvin 191:4
אי הכי לרבי מאיר זוג אחד נמי לא
But if so, should not even one pair be forbidden<span class="x" onmousemove="('comment',' Lit., 'also not'; since by wearing tefillin on the Sabbath, which is an improper lime for that commandment, one adds the performance of the precept on the Sabbath to that of the weekdays.');"><sup>8</sup></span> according to R'Meir?<span class="x" onmousemove="('comment',' Sc. the first Tanna whose view, as mentioned Supra, is in agreement with that of R. Meir.');"><sup>9</sup></span> Furthermore, should not a man<span class="x" onmousemove="('comment',' Since it is maintained that the performance of a commandment at an improper time is deemed to be a transgression against the prohibition of adding to the commandments even where the act of performance was not intended to be a fulfillment of the commandment.');"><sup>10</sup></span> who sleeps on the eighth day<span class="x" onmousemove="('comment',' Of the festival of Tabernacles. Pentateuchally the sukkah is to be used for seven days only.');"><sup>11</sup></span>