The car accident was not too serious, and the uncle pointed to the faded scar on his forehead and told me. But that time has been remembered in his heart for so many years, deeper than the scar.

It was getting late, and the two were not ready to go any further because there was a problem with the engine.

"You just said? You have committed three homicides? The uncle covered the wound on his forehead and asked while cleaning the obstacles next to the wheels, even so, the uncle couldn't let go of that curious heart.

"That's right! Three killings" Old K helped the uncle lift the wheel out of the canal on the side of the road and answered him in his ear.

Uncle's previous emotions surged again, he couldn't figure out the person in front of him at all, he just said it three times, that is, it was not a crime. Could it be that by such a coincidence, he met three people who he had to kill? Or is he a murderer at all?

The uncle slowly turned his head and looked at the old K, who was full of strength, and it was not difficult to see from his now green face that he was angry, like a beast.

"What are you doing?" Old K suddenly yelled at the uncle, startling him.

"Can you use some force?"

A tree stump was inserted into the bottom of the car, which broke the cylinder block of the engine along the gap, and the uncle was completely deflated. "Gotta call someone to fix it!"

Old K glanced back and forth and said, "Who ran such a long way to repair it for you at night?" ”

Uncle tried to make a few phone calls, but the other party's reply was that he could only wait until tomorrow daylight, and the uncle glanced at him and said in a slightly pleading tone: "It seems that I can only spend the night in the car tonight." ”

After dealing with the car, the uncle suddenly remembered the question he had just asked, "You killed three people?" Then you can't pronounce the death penalty or sit in prison? ”

Old K nodded, and then began to shake his head again, and for a while Uncle didn't know what he meant!

"I killed the same person three times!" Old K fumbled out the cigarette case from the car again. "Or rather! I've only killed people once! ”

"I don't quite understand what you're saying!"

Old K lit another cigarette, and it seems that his addiction to smoking has also been stifled by the prison. Do you know the proposition that "the father dies before the mother"? ”

Uncle could only shake his head.

"This is a deception of fortune tellers in the past, but it is also an unassailable paradox, the father dies before the mother, and the father dies a hundred years before the mother. That is, the father is still there, and the mother is a hundred years old. Old K had a lot of cigarette ash in his hand, but he still explained unhurriedly.

"Does this have anything to do with our conversation?" Uncle finally thought of the point.

"A small change can completely change the fate of two people, don't you think?" Old K asked Uncle like this.

Uncle has learned to be smart and has a lot to deal with, so naturally there is a way to solve it, "These are just words on paper, applied to real life, not suitable at all." ”

Old K didn't seem too surprised, but was very happy, "Since you can understand this!" Then I think the latter question, it is not difficult for you to understand. ”

"It's good that I've been in college for four years, and I'm not a fool!" Uncle was triumphant.

"Then let's talk about the "grandmother paradox"! Lao K started talking, and it was ordinary and didn't match his identity.

Uncle said a little pretentiously about the "grandmother paradox", our foreign modern history lecturer said, physics lecturer also said, if a person goes back in time and kills his grandmother who has not yet given birth, then he will not be born, but if he is not born, the fact that his grandmother is dead has been established, which prompts him to appear to kill his grandmother. This is the grandmother paradox. ”

Lao K nodded, his voice suppressed a suffocating vicissitudes of life and helplessness, and said, "This is a dead cycle, once it starts, it is as endless as a Mebius ring, you can't jump out of the long-term pain, you can only endure it, and there is no limit to it." ”

"This is just for us ordinary people, if this kind of thinking is put on those great men and heroes, I'm afraid every minute is a big change." Uncle said what he thought, but he didn't want Lao K to scoff at him.

"Fifty years of life, compared with heaven and earth, is like a dream and an illusion; Is there one who has lived once, who is immortal? ”

"Think about it, if you let him fall into this reincarnation, then I'm afraid the war will never stop!" Old K's eyes were sunk in darkness, and through the lights in the car, he refracted a convincing look.

"You're talking as if you were talking about it! Are you an immortal monster? ”

The corners of Lao K's mouth squirmed, he didn't open his mouth for a long time, and the night completely blended into the silence, swallowing up the lights, and the roof lights were broken again.

"I'm grass...."The uncle didn't finish scolding. The calm voice of the old K sounded in the car again.

"I am eternal!" This sentence was said like the big devil in a certain book, which made the uncle laugh out loud.

"Everyone knows the rules of metabolism, even if you are immortal, you will grow gray hair, and you will grow old."

Old K did not rush to refute. Instead, he asked the uncle.

"It is said that children are the continuation of their parents' lives, and your children will grow old when they are born?"

Uncle was a little confused, "Of course not!" ”

"Eternal life in my grandmother's paradox is a new birth."

Uncle was completely stunned, "I don't understand what you said, it's eternal life and a new life!"

Old K smiled, this time with a wise smile, "I ask you, is a jar of water immortal?" ”

"This question is a bit philosophical, I can't explain it!" Uncle completely gave up struggling.

"A jar of water will evaporate, but after it evaporates, it will condense again and fall, so is it considered immortal?"

"Yes," Uncle didn't think.

"For water, evaporation is death, and landing is new life, and the same is true for people, and the new life after disappearing has to bring about an infinite cycle, which is the cycle of the Mebius ring mentioned earlier."

Uncle finally wanted to say something, "This is very in line with the "grandmother paradox", right? ”

"Like I said, man's eternal life is not a static growth, but a cycle!" Old K's words were very meaningful, but the next words surprised the uncle.

"I touched it meaninglessly!" Old K muttered to himself.

"What did you touch?" Uncle asked.

"Eternal life!" Lao K said very calmly, but Uncle couldn't calm down.

"I killed my mother!" Wave after wave of consternation.

Uncle's stunned look has filled his whole face, imagine that there is a murderer sitting in front of you, and he killed his mother, will you be afraid.

"But not in the traditional sense of the word!"

"What do you mean?" Uncle didn't understand more and more, and he even felt that the person in front of him was a normal neurosis.

"I erased her existence from my mind, I didn't admit that my mother existed, and there was no me, but someone had to deny her existence, so I appeared again, this. It is my eternal life! Old K said.

"You mean, you killed your mother with your mind?"

"No, I killed my mother with my own hands!" Old K's statement is getting more and more confusing.

"What the hell are you talking about?"

"When I was a child, I was not treated by my mother, because my father was an alcoholic, and when he was drunk, he would take out his anger on her, and after she was beaten, she could only find me to be angry, and then in a fit of anger, I ran away from home and lived a miserable life alone, and then I thought, if my mother treated me well, maybe my life would not be like this now! So I hated her, hated her more and more, and every night I went to sleep thinking about how good it would be if she hadn't given birth to me, and how good it would have been if she had died. ”

Uncle seemed to understand a little, "You mean?" Your thoughts led you to kill your mother yourself? This leads to your unborn, but your unborn cannot satisfy your mother to be dead, so you appear again! Is this your eternal life? ”

"Theoretically, he's like a perpetual motion machine, and I, who killed my mother, are part of the perpetual motion machine, he produced me, and I deny him, endlessly" Old K paused, "I thought about my mother dying, and when I woke up, I was standing in a pool of blood, and the police car was whizzing and taking me to prison, and I couldn't even justify my crime." ”

"And then?" Uncle felt that it was getting more and more outrageous, so he listened to it as a story.

The sadness in Lao K's eyes was about to overflow, "Then I can't jump out of this cycle anymore, I went back in time and killed my young mother, was arrested, and went to prison, and then inexplicably went back in time and killed my mother, until now, I have killed my mother three times!" Old K's voice was hoarse, and he could hear subtle crying.

The uncle did not have the slightest sympathy, because he did not believe it, so he fell asleep in the night.

The next day, the uncle didn't want to think about yesterday's topic, and the two of them were silent all the way until the car arrived at the center of the city, and the old K warmly beckoned the uncle to rest for a night, and the uncle decisively refused.

"I think your imagination is still very rich, no matter what you do! I think you can be a writer in the future! ”

Old K's face didn't change much, but he smiled in agreement.

After returning home, the uncle had forgotten all about the incident, until a few months later, when the grandfather sorted out the discarded newspaper at home, a yellowed newspaper fell to the uncle's feet, and the headline read.

"A 30-year-old man murdered a young woman and has now been arrested."

Although the side face in the photo is blurry, the uncle can still see the face clearly, and the face of Lao K has not changed at all.

The newspaper is 30 years old.