The document discusses how memory and idea formation relate to our physical body and different body systems. In early childhood, we form ideas through our senses and remember through repetition, as our physical body is still developing. Some children are better at grasping ideas in the moment while others have a better memory. As we age, our capabilities develop in more individual ways. The goal is to harness our innate capability for remembrance by perceiving how our experiences relate to our enduring self.