Acharya Prashant explains that true perception occurs when one stops taking the visible world too seriously. When life's major fears or differences between people no longer disturb a person, it indicates they are seeing beyond the superficial. He emphasizes that as one stops being serious about petty matters, the 'third eye' begins to open, marking the start of a truly religious life. The mind often lives in a state of self-importance and seriousness to prove its own existence and status, much like a beggar who acts busy or fearful to convince himself that he possesses something valuable.