Acharya Prashant addresses the argument that just because one has not experienced ghosts or spirits, it does not mean they do not exist. He dismisses this as a very common but useless argument, often used to promote superstition. He explains that one might say they have no experience of such entities, and perhaps they have some shortcoming that prevents them from having such divine experiences. However, he states that this line of reasoning is completely flawed. To clarify, he presents two analogies. First, if asked about the existence of a 'kakatua' (a hypothetical, undefined entity), one would rightly admit ignorance, as its definition is unknown. It may or may not exist. However, if asked about a 'square circle', one would not claim ignorance based on a lack of experience. Instead, one would confidently state its impossibility because the definitions of a square and a circle are known and mutually exclusive. The concept of a 'square circle' is a contradiction in terms, a foolish notion, not something to be experienced even by a great guru. The belief in ghosts, Acharya Prashant argues, falls into the category of the 'square circle', not the 'kakatua'. This is because ghosts have been defined, and their very definition is self-contradictory. The popular definition is that a conscious entity leaves the material body after death and roams in material space. This is an impossibility. The body is material, and anything that emerges from it must also be material. Space is material, and anything existing within it is also material. If a ghost can be seen, it must be a material object, as the material eye can only perceive material things through the reflection of light. If it is material, it is subject to the laws of physics—it can be measured, weighed, and affected by other material objects. Therefore, it cannot be a special, paranormal entity. He concludes that the belief in such phenomena is rooted in fear and a desire to dominate others. People who are afraid and ignorant of the truth are easily swayed by such claims. True spirituality, he asserts, is about freedom from fear and understanding that the world is an illusion ('Jagat Mithya'), not about believing in ghosts. He questions the kind of spirituality that declares the world as false but holds ghosts to be real. The entire game is a strange fear that has been instilled in our minds, and those who lack self-worth try to establish their importance by frightening others with such tales.