How far is the future? All inferences have not been confirmed. Maybe it is right next door, as long as you can open the wall called "space"; maybe it is hundreds of thousands of miles away, and it takes a few minutes with a time machine? A few hours...; Maybe it is above or below (this is the difference between good guys and bad guys). Some people say that everyone will be sent to a different space after death to pay off the debts of this life; maybe it is in the toilet, in the computer, in sleep or even on the lightning tip. Of course, the above all follow the starting point, Jinjiang's law of travel, but, in general, there is no limit to travel! ! ! ! ! !