... teaching of the Rema (Shulchan Aruch, Orach Chayim 334:26) that someone who unwittingly desecrated Shabbos “must fast Mondays and Thursdays for 40 days and must not drink wine or eat meat. And instead of a chatas, he should give 18 peshitin [five gold coins according to the Mishnah Berurah, ...