What is the ultimate purpose of human life, and what is the proper way to handle knowledge and ignorance on this path?

The ultimate goal of human birth, as detailed in Chapter 8, is to transcend both knowledge and ignorance to remain in the pure state of one's own nature. The text advises that earning the knowledge of Truth, specifically the non-dual knowledge of the Supreme Self (Brahma-vidya), is the true success of life. However, it also presents a paradox: both knowledge and ignorance are born of nescience (avidya). Therefore, one should use knowledge to remove ignorance, like using one thorn to remove another, and then discard both to achieve the final, pure state.