Reply To: Forgetting your learning if you leave a Sefer open, unattended Home › Forums › Bais Medrash › Forgetting your learning if you leave a Sefer open, unattended › Reply To: Forgetting your learning if you leave a Sefer open, unattended April 2, 2017 12:09 pm at 12:09 pm #1248380 Lilmod UlelamaidParticipant What’s the source of this rule?
