It is interesting and vital to study the life of sages who have walked on earth. It becomes especially important if one is eager to know what is at the heart of Sanatana Dharma. The sages whose lives are an epitome of sacrifice, who have made their life a receptacle of God, need to be studied and surrendered to. Unless one's emotions and inspiration is tuned to such elevated beings, Knowing God shall remain a far-fetched dream.
The Yog-Vasishtha is the gem in the field of Jnana Yoga. For a meditational practitioner who tries to comprehend the nature of the world, the Yog-Vasishtha is indespensible. understanding this great scripture shall unravel the many mysteries of the world and also serve as a correcting agent of our otherwise convoluted mind. If someone is to completely demystify the illusions of Maya, then it is not possible that such a person has not studied and assimilated the concepts of this great work.