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
Old Testament theology in the Old Testament book of Exodus 3:13-15. Through this passage, readers can see the personality of God revealed. Because the earliest writing in the Hebrew language did not utilize vowel marks and the Hebrew people revered God so much that they declined to pronounce the name aloud, the true pronunciation of the name of God has been lost due to a lack of use. Medieval Jewish scholars developed a system for inserting vowel marks into the consonantal text. Due to the tradition of reading aloud the word "adonai" (my Lord) whenever YHWH was encountered in the text, scribes inserted