Negative Mitzvah 65: We are forbidden to destroy or damage a Jewish
place of worship, or holy books, or to erase sacred names.
Deuteronomy 12:4 "This you shall not do to the L-rd your G-d"
This Negative Mitzvah tells us that we are forbidden to destroy or
damage a synagogue or Yeshivah. We are also not allowed to damage a
sefer, or to erase any one of the sacred names of HaShem that appear
All old sefarim and books (even school notebooks!), that have the name
of HaShem in them or have notes from learning Torah, may not be thrown
out in the garbage.
They are called "Shaimot" and must be given to the "Genizah" which may
be found in Yeshivot or Synagogues. These books are then buried in a