Zohar abstract concepts that are never completely expressed. The earlier part of the Zohar, also known as "Zohar 'Al haTorah" (Zohar on the Torah, זוהר על התורה) or "Midrash Rashbi", contains several smaller "books", as described below. This book was published in three volumes: Volume 1 on "Bereishit" (Genesis), Volume 2 on "Shemot" (Exodus) and Volume 3 on "Vayikra, Bamidbar and Devarim" (Leviticus, Numbers, and Deuteronomy). At the start of the first volume is printed a "Preface to the Book of the Zohar" (pages 1a to 14b). After this introduction is the Zohar's commentary on most of the parashahs of the
Book of Leviticus Tabernacle and how to conduct themselves while camped around the holy tent sanctuary. Leviticus takes place during the month or month-and-a-half between the completion of the Tabernacle (Exodus 40:17) and the Israelites' departure from Sinai (Numbers 1:1, 10:11). The instructions of Leviticus emphasize ritual, legal and moral practices rather than beliefs. Nevertheless, they reflect the world view of the creation story in Genesis 1 that God wishes to live with humans. The book teaches that faithful performance of the sanctuary rituals can make that possible, so long as the people avoid sin and impurity whenever possible. The rituals, especially the