Reply To: If it is not a mitzva, is it a sin? Home › Forums › Decaffeinated Coffee › If it is not a mitzva, is it a sin? › Reply To: If it is not a mitzva, is it a sin? April 14, 2015 11:34 pm at 11:34 pm #1072914 HaLeiViParticipant It’s a sin to pass up a Mitzvah that came your way.