# Quote — David Deutsch, The Fabric of Reality

> Time travel may be achieved one day, or it may not. But if it is, it should not require any fundamental change in world-view, at least for those who broadly share the world view I am presenting in this book.

- Author: [David Deutsch](https://www.leafyquotes.com/david-deutsch.md)
- Book: [The Fabric of Reality](https://www.leafyquotes.com/david-deutsch/the-fabric-of-reality.md)
- Source: [Wikiquote](https://en.wikiquote.org/wiki/David_Deutsch#The_Fabric_of_Reality_(1997)) ([CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/))
- Quote page: https://www.leafyquotes.com/david-deutsch/the-fabric-of-reality/time-travel-may

## More from this book

> The next chapter is likely to provoke many mathematicians. This can't be helped. Mathematics is not what they think it is.

[Quote page](https://www.leafyquotes.com/david-deutsch/the-fabric-of-reality/the-next-chapter.md)

> The quantum theory of parallel universes is not the problem, it is the solution. It is not some troublesome, optional interpretation emerging from arcane theoretical considerations. It is the explanation—the only one that is tenable—of a remarkable and counter-intuitive reality.

[Quote page](https://www.leafyquotes.com/david-deutsch/the-fabric-of-reality/the-quantum-theory.md)

> Reality contains not only evidence, but also the means (such as our minds, and our artefacts) of understanding it. There are mathematical symbols in physical reality. The fact that it is we who put them there does not make them any less physical.

[Quote page](https://www.leafyquotes.com/david-deutsch/the-fabric-of-reality/reality-contains-not.md)