Yes believe. because I believe that there is a parallel world inhabited by the souls of the dead. Even many scientists conducting research on this topic. Also, there are many opinions that there is indeed another world. As they say, the body is just flesh, skin, and the soul is immortal. Many think, what the soul is, because it is not visible, it is somewhere inside the person. Yes, the soul exists. When a living being dies, only the body dies and the soul flies away to another world and even they say that it is born again only in a different form.