Kabbalah is the most widely used term for Jewish mysticism. Used narrowly, it refers to the stream of mysticism that developed around the Zohar and even more narrowly, to the understanding of this that developed from Isaac Luria in 16th century Safed.
A yeshiva is an academy for the study of Jewish texts. The Talmud with commentaries is the main syllabus. A Yeshiva Gedolah is for boys aged 16 and up, and a Yeshiva Ketana is for ages 13-16.
The narrator in the book Night, Elie Wiesel, wanted to study the Jewish mystical tradition known as Kabbalah. He sought out guidance from a Jewish scholar in his hometown of Sighet to deepen his understanding of this ancient spiritual practice.
We don't study the texts of other religions.
The book of Exodus IS one of the Jewish holy texts. It does not "observe" holy texts.
Kabbalah (קבלה)
A person had to be Jewish, pious, learned in Torah, and study the Kabbalah under a teacher, not just read its texts on his own. Some also say that one has to be over 40, but other sources do not require this.The modern practice of making Jewish mystical teachings available to literally anyone, is an unfortunate, cavalier approach in which it is impossible to properly appreciate its teachings.
KABBALAH
Kabbalistic writings are contained in the Zohar.
The most well known Jewish mystical sect is known as Kabbalah. The sect started some time in the twelfth century, and translates into 'received tradition.' Kabbalists believe they are charged with revealing the mystical elements within the Torah. The main book of Kabbalah is known as the Zohar.
discourse analysis
The Torah is an example of the sacred Jewish text that contributes to Judaism.
Elie Wiesel realized his wish to study the Kabbalah after meeting a teacher who inspired him and introduced him to the teachings and mystical aspects of this Jewish tradition. Wiesel found solace, meaning, and a deeper connection to his faith through studying the Kabbalah, which influenced his worldview and writings.