Acharya Prashant explains that the ego often treats spiritual texts like the Bhagavad Gita as mere subjects of study, similar to mathematics or history, to keep them at a distance. He emphasizes that the Gita is not a subject to be mastered but a light in which one must examine their own life. True understanding of the Gita is synonymous with self-knowledge; if one memorizes verses but remains fearful or unchanged, they have failed to grasp its essence. The speaker highlights that the ego is deceptive, creating a 'personal zone' where it resists the entry of truth and light, preferring to accumulate external knowledge rather than undergoing internal transformation.