Definition och Betydelse av "the longest journey is the journey within"

What is the origin of the proverb "the longest journey is the journey within" and when to use it?

The proverb "the longest journey is the journey within" is often attributed to spiritual and philosophical teachings, though its exact origin is not clearly documented. It reflects the idea that the most challenging and changing journey a person can undertake is the exploration of their own thoughts, emotions, and experiences. Over time, the saying has been used to highlight the importance of looking inward and self-awareness, suggesting that true understanding and personal growth come from within.