Musar for Eruvin 195:1
מני ר"ש היא דאמר כל דבר שהוא משום שבות אינו עומד בפני כתבי הקודש אימא סיפא רבי יהודה אומר אפילו אין מסולק מן הארץ אלא מלא החוט גוללו אצלו רבי שמעון אומר אפילו בארץ עצמה גוללו אצלו
who then, [it may be asked,] is the author?<span class="x" onmousemove="('comment',' Of this ruling of our Mishnah according to which no preventive measure was deemed necessary. It cannot be R. Judah, since he permits the rolling back only where the end of the scroll does not touch the ground, but where it does, the rolling back is forbidden as a preventive measure against the possibility of doing so when both ends dropped from the reader's hands.');"><sup>1</sup></span> Obviously R'Simeon who ruled: NO PROHIBITION THAT IS DUE TO SHEBUTH RETAINS ITS FORCE IN THE PRESENCE OF THE HOLY WRITINGS;<span class="x" onmousemove="('comment',' V. relevant notes in our MISHNAH:');"><sup>2</sup></span> but then read the final clause: R'JUDAH RULER, EVEN IF IT WAS REMOVED FROM THE GROUND BY NO MORE THAN A THREAD'S THICKNESS HE MAY ROLL IT RACK TO HIMSELF.