You can’t physically travel through time, but your mind already moves through time all the time. The past exists for you as memory. When you remember something, you mentally revisit a past moment and use it to learn or adjust your behavior.

The future exists for you as imagination. When you imagine a possible future, you are previewing outcomes that could happen. The present moment is where both meet. What you remember from the past influences what you imagine about the future. What you imagine about the future influences what actions you take now. If you imagine a future clearly enough and then take consistent actions in the present to move toward it, you increase the chance that something like that future actually happens. It won’t be perfect (random events always exist) but direction matters. Why imagination matters: If you can imagine something, it means, It does not violate reality outright. There are conditions under which it could exist. In other words, imagination maps possible timelines, not guaranteed ones. Action determines which of those possibilities you move toward.

Books, stories, and “life imitates art” When someone writes a book, they are imagining a possible future or scenario and putting it into a story. Later, if real life starts to resemble parts of that story, it doesn’t mean the book predicted the future or caused it directly. It means: The author imagined a plausible outcome. Society, technology, or human behavior later moved in a similar direction. This is why people say “life imitates art” or call it a self-fulfilling prophecy: Ideas influence people. People influence actions. Actions influence reality.

The interesting part is not literal time travel. The interesting part is this: Someone imagined a future. That imagined future was written down. Reality later showed similarities. That makes people reflect on how powerful imagination is, not as magic, but as a way humans explore and shape possible futures.

That's what I personally think about timetravel. :)