Lin Xian didn't know if this theory was correct.
In the aspect of space-time travel, there has always been a very famous "grandfather paradox," which is to say, if you travel back several decades and kill your grandfather, will you still exist after those decades have passed?
It's an inexplicable deadly loop.
For this reason, countless physicists deny the possibility of space-time travel, believing that logically, space-time travel is impossible, unrealistic, and illogical.
There's no need to say more; the grandfather paradox is an insurmountable mountain.
If someone could really travel back and kill their own grandfather, theoretically, his existence should also have been erased simultaneously, eliminating the possibility of his presence several decades later, and hence the opportunity to kill his grandfather... This cycle is an illogical supposition.
But what if...
Just as he had been thinking earlier.
