Pleistocene (S7) (1140712) (自體的心理學）（車行哲學）

https://youtu.be/rH_c4CB61B4?si=59WTw045aQkrU7vw

https://youtu.be/2TND6NjJ9Mk?si=oLjCrJ9yBRIzkZTK

which means, that you cannot go back to, and survive in the Pleistocene, after all