This document discusses the concept of a "critical certain stage" or threshold that some people reach in life. It describes this moment as when pleasure from worldly things no longer satisfies and a distinct disgust is experienced. It can come unconsciously for some, while others must earn this moment. The document emphasizes that this is a blessed yet difficult moment, and those who do not understand its significance may miss an important opportunity for growth. Later passages discuss factors like breathing, food, senses and sleep/inertia that influence a person's system, and how being relative to one's position regarding the threshold shapes perspectives on life, consciousness, truth and religion. It notes this book is not intended for those who have already crossed the threshold and become