Book excerpt: The greatest contemporary Kabbalists, Rav Yehuda Ashlag, and his son and successor, Rav Baruch Ashlag provide an eye-opening answers to life's most fundamental question: "What is the meaning of my life?" Based on their interpretations of 'The Book of Zohar', and 'The Tree of Life', we can now learn how to benefit from the wisdom of Kabbalah on a day-to-day basis. In addition to authentic texts by these great Kabbalists, this book offers illustrations that accurately depict the evolution of the Upper Worlds as Kabbalists experience them, as well as several helpful essays to enhance our understanding of the texts. Rav Michael Laitman, Ph.D., Rav Baruch Ashlag's personal assistant and prime student, compiled all the texts a Kabbalah student would need to attain the spiritual worlds. In his daily lessons, Rav Laitman bases his teaching on these inspiring texts, thus helping novices and veterans alike to better understand the spiritual path we undertake on our fascinating journey to the Higher Realms. If you truly seek the meaning of life, your heart will lead you through the writings of these great Kabbalists, who wrote them from their hearts to yours. Through their words, you will discover lifes essence and power, and your own eternal existence.