Acharya Prashant defines spirituality as the rigorous search for truth, which is that which remains unchanging and beyond time. He clarifies that spirituality is distinct from religious customs, sects, or specific books. It arises because man perceives that everything he attaches himself to is ephemeral and eventually turns out to be false. Since man's identities are derived from an ever-changing world, he experiences a deep discontentment and a yearning for stability that is not subject to the vagaries of time. This movement toward the eternal is the essence of spirituality. He explains that spirituality is deeply scientific because it involves a close and honest observation of the world, its processes, and its dissolution. However, spirituality goes beyond science by examining the relationship between the world and the self. While science relies on the fundamental superstition that the senses and intellect provide the ultimate truth, spirituality questions the limitations of these instruments. It acknowledges that something undetectable by the senses may be more real than what is perceived. Spirituality combines scientific attention with faith—the conviction that there is something beyond worldly influences and suffering. Ultimately, spirituality is described as a brutal honesty that transcends the mind. It is not a mere belief system or a way of thinking, but a deep immersion into truth that involves one's entire being. The spiritual person does not just postulate the existence of the beyond but actually tastes and lives in that unreasonable sureness. By looking at the mind itself from a vantage point beyond the mind, spirituality achieves a level of inquiry that is more scientific than science itself.