"Mugger Gelt" On Shabbos

 

That line about Shabbos being Shomer the Jews more than the Jews are Shomer Shabbos is actually attributed to Achad Ha-am.... However - there is a remez in the piyut "כי אשמרה שבת אל ישמרני".  [See the next shtikel in the Mesores Moshe ibid].