Brother Nathanael's stories are fascinating. I cut this as concisely as I could, but still had to split it into two clips to stay under the size limit, unfortunately.

A small glossary copied from wikipedia, britannica and chabad.org
>Yom Kippur, also known as the Day of Atonement, is the holiest day in Judaism, occurring annually on the 10th of Tishrei, which usually falls in late September or early October. It is a day dedicated to fasting, prayer, and seeking forgiveness.

>Kol Nidre ("all vows") is an ancient formula, said on Yom Kippur eve, declaring all unintentional vows we may make over the (coming) year null and void.

>Nedarim is a masechet (tractate) of the order of Nashim of the Mishnah and the Talmud. Its subject is laws relating to the neder, a kind of vow or oath in Judaism.

>The Hebrew Bible or Tanakh, also known in Hebrew as Miqra, is the canonical collection of Hebrew scriptures, comprising the Torah (five books of Moses), the Nevi'im (prophets), and the Ketuvim (writings).