Sefarim by Rabbi Chaim Cohen: Mekor Chaim ↗ בס״ד

  1. Kimcha Depischa

    Question: Can I use maaser money for kimcha depischa ? Answer: The Gemara Yerushalmi (Bava Basra 1:4) teaches that one who has lived in a city for twelve months is considered to be a resident. Thus they must give wheat to …

  2. Liquid Soap on Shabbos

    Question: I know that we’re not supposed to use soap bars on Shabbos but can we use liquid hand soap? Answer: The Shulchan Aruch (OC 328:22) writes that one may rub oil into a (minor) wound on Shabbos, but not fat that will mel…

  3. Thermometer on Shabbos

    Question: May one use a non-electric thermometer on Shabbos? Answer: The Mishna (Beitza 28a) teaches that one mustn’t measure things on Shabbos or Yom Tov. Tosafos (Shabbos 126b) explains that doing so is uvdin dechol , munda…

  4. Touching the Megilla

    Question: I know that one isn’t supposed to touch the sefer Torah with one’s hands. Does this apply to the megilla , too? Answer: The Shulchan Aruch (OC 147:1) writes that one mustn’t touch a sefer Torah without a cloth. Th…

  5. Accidentally Carry Outside Eruv

    Question: I walked out of our holiday home on Shabbos and realized that there were some papers in my pocket. What should I have done? Answer: Rambam (Shabbos 12:9; 13:5) writes that in order to transgress the melacha mideo…

  6. Writing on One’s Skin

    Question: My teacher taught me that I mustn’t write on my hands. Is this forbidden in halacha ? Answer: The Mishna (Makkos 21a) teaches that there are two components of the prohibition of tattoos, scratching the skin and mark…

  7. Dry Kli Sheni

    Question: I always us a cup as a kli sheni to fill up hot water to make coffee on Shabbos. Do I need to ensure that the cup is dry before using? Answer: Tosafos (Shabbos 40b) teaches that while a pot on a flame ( kli rishon …