Thou shalt turn off your cellphone in class
(Used in accordance with the guidelines of www.reverendfun.com)

This also reminds me of T-Bone Burnett’s recent lyric:

If we were to pass an eleventh commandment
In twenty years, people would be shocked to learn
That there had once been only ten
And wouldn’t care if there had been

(T-Bone Burnett, “Everytime I feel the shift,” Columbia/DMZ, 2006)